2974840 has 32 divisors (see below), whose sum is σ = 7302960. Its totient is φ = 1081600.

The previous prime is 2974819. The next prime is 2974859. The reversal of 2974840 is 484792.

It is a happy number.

2974840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2974796 and 2974805.

It is a congruent number.

It is an unprimeable number.

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, 2941 + ... + 3820.

2^2974840 is an apocalyptic number.

2974840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2974840 is an abundant number, since it is smaller than the sum of its proper divisors (4328120).

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

2974840 is a wasteful number, since it uses less digits than its factorization.

2974840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6783 (or 6779 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2974840 is about 1724.7724487595. The cubic root of 2974840 is about 143.8206357328.

The spelling of 2974840 in words is "two million, nine hundred seventy-four thousand, eight hundred forty".