2999140 has 24 divisors (see below), whose sum is σ = 6669432. Its totient is φ = 1128960.

The previous prime is 2999119. The next prime is 2999141. The reversal of 2999140 is 419992.

2999140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 784996 + 2214144 = 886^2 + 1488^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 2999096 and 2999105.

It is not an unprimeable number, because it can be changed into a prime (2999141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4071 + ... + 4750.

It is an arithmetic number, because the mean of its divisors is an integer number (277893).

2^2999140 is an apocalyptic number.

2999140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2999140 is an abundant number, since it is smaller than the sum of its proper divisors (3670292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2999140 is a wasteful number, since it uses less digits than its factorization.

2999140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8847 (or 8845 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 2999140 is about 1731.8025291586. The cubic root of 2999140 is about 144.2111742177.

The spelling of 2999140 in words is "two million, nine hundred ninety-nine thousand, one hundred forty".