2992140 has 60 divisors (see below), whose sum is σ = 9391536. Its totient is φ = 797472.

The previous prime is 2992123. The next prime is 2992141. The reversal of 2992140 is 412992.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2992141) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 697 + ... + 2543.

2^2992140 is an apocalyptic number.

2992140 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 2992140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4695768).

2992140 is an abundant number, since it is smaller than the sum of its proper divisors (6399396).

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

2992140 is a wasteful number, since it uses less digits than its factorization.

2992140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868 (or 1857 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2992140 is about 1729.7803328747. The cubic root of 2992140 is about 144.0988904059.

The spelling of 2992140 in words is "two million, nine hundred ninety-two thousand, one hundred forty".