2920872 has 32 divisors (see below), whose sum is σ = 7732800. Its totient is φ = 916224.

The previous prime is 2920871. The next prime is 2920877. The reversal of 2920872 is 2780292.

It is a d-powerful number, because it can be written as 2⁵ + 9 + 2⁷ + 0 + 8 + 7⁷ + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (2920871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3172 + ... + 3987.

It is an arithmetic number, because the mean of its divisors is an integer number (241650).

2^2920872 is an apocalyptic number.

It is an amenable number.

2920872 is an abundant number, since it is smaller than the sum of its proper divisors (4811928).

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

2920872 is a wasteful number, since it uses less digits than its factorization.

2920872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7185 (or 7181 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2920872 is about 1709.0558797184. The cubic root of 2920872 is about 142.9456164338.

The spelling of 2920872 in words is "two million, nine hundred twenty thousand, eight hundred seventy-two".