2972808 has 32 divisors (see below), whose sum is σ = 8258400. Its totient is φ = 990864.

The previous prime is 2972803. The next prime is 2972821. The reversal of 2972808 is 8082792.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2972803) 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, 6666 + ... + 7097.

It is an arithmetic number, because the mean of its divisors is an integer number (258075).

2^2972808 is an apocalyptic number.

It is an amenable number.

2972808 is an abundant number, since it is smaller than the sum of its proper divisors (5285592).

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

2972808 is a wasteful number, since it uses less digits than its factorization.

2972808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13778 (or 13768 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 2972808 is about 1724.1832849207. The cubic root of 2972808 is about 143.7878821396.

The spelling of 2972808 in words is "two million, nine hundred seventy-two thousand, eight hundred eight".