2941440 has 80 divisors (see below), whose sum is σ = 9427968. Its totient is φ = 782336.

The previous prime is 2941403. The next prime is 2941451. The reversal of 2941440 is 441492.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (24) 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 (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2941440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7489 + ... + 7871.

2^2941440 is an apocalyptic number.

2941440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2941440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4713984).

2941440 is an abundant number, since it is smaller than the sum of its proper divisors (6486528).

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

2941440 is an equidigital number, since it uses as much as digits as its factorization.

2941440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2941440 is about 1715.0626810703. The cubic root of 2941440 is about 143.2803602095.

The spelling of 2941440 in words is "two million, nine hundred forty-one thousand, four hundred forty".