2920744 has 16 divisors (see below), whose sum is σ = 5497920. Its totient is φ = 1454640.

The previous prime is 2920739. The next prime is 2920751. The reversal of 2920744 is 4470292.

It is a super-5 number, since 5×2920744⁵ (a number of 34 digits) contains 55555 as substring.

It is a d-powerful number, because it can be written as 2⁵ + 9 + 2²¹ + 0 + 7⁷ + 4 + 4 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2097 + ... + 3199.

It is an arithmetic number, because the mean of its divisors is an integer number (343620).

2^2920744 is an apocalyptic number.

It is an amenable number.

2920744 is a deficient number, since it is larger than the sum of its proper divisors (2577176).

2920744 is a wasteful number, since it uses less digits than its factorization.

2920744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440 (or 1436 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2920744 is about 1709.0184317321. The cubic root of 2920744 is about 142.9435283238.

The spelling of 2920744 in words is "two million, nine hundred twenty thousand, seven hundred forty-four".