2972864 has 14 divisors (see below), whose sum is σ = 5899404. Its totient is φ = 1486400.

The previous prime is 2972863. The next prime is 2972881. The reversal of 2972864 is 4682792.

It is not an unprimeable number, because it can be changed into a prime (2972863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23162 + ... + 23289.

It is an arithmetic number, because the mean of its divisors is an integer number (421386).

2^2972864 is an apocalyptic number.

It is an amenable number.

2972864 is a deficient number, since it is larger than the sum of its proper divisors (2926540).

2972864 is an equidigital number, since it uses as much as digits as its factorization.

2972864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46463 (or 46453 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 2972864 is about 1724.1995244171. The cubic root of 2972864 is about 143.7887849977.

It can be divided in two parts, 29728 and 64, that added together give a palindrome (29792).

The spelling of 2972864 in words is "two million, nine hundred seventy-two thousand, eight hundred sixty-four".