2923540 has 24 divisors (see below), whose sum is σ = 6193152. Its totient is φ = 1159200.

The previous prime is 2923523. The next prime is 2923559. The reversal of 2923540 is 453292.

It is a happy number.

It is a super-2 number, since 2×2923540² = 17094172263200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1965 + ... + 3115.

It is an arithmetic number, because the mean of its divisors is an integer number (258048).

2^2923540 is an apocalyptic number.

2923540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2923540 is an abundant number, since it is smaller than the sum of its proper divisors (3269612).

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

2923540 is a wasteful number, since it uses less digits than its factorization.

2923540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287 (or 1285 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2923540 is about 1709.8362494695. The cubic root of 2923540 is about 142.9891265959.

The spelling of 2923540 in words is "two million, nine hundred twenty-three thousand, five hundred forty".