2972858 has 16 divisors (see below), whose sum is σ = 5396544. Its totient is φ = 1199040.

The previous prime is 2972843. The next prime is 2972863. The reversal of 2972858 is 8582792.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6008 + ... + 6483.

It is an arithmetic number, because the mean of its divisors is an integer number (337284).

2^2972858 is an apocalyptic number.

2972858 is a deficient number, since it is larger than the sum of its proper divisors (2423686).

2972858 is a wasteful number, since it uses less digits than its factorization.

2972858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12517.

The product of its digits is 80640, while the sum is 41.

The square root of 2972858 is about 1724.1977844783. The cubic root of 2972858 is about 143.7886882634.

The spelling of 2972858 in words is "two million, nine hundred seventy-two thousand, eight hundred fifty-eight".