2972886 has 16 divisors (see below), whose sum is σ = 6795264. Its totient is φ = 849384.

The previous prime is 2972881. The next prime is 2972887. The reversal of 2972886 is 6882792.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 70783 = 2972886 / (2 + 9 + 7 + 2 + 8 + 8 + 6).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2972881) by changing a digit.

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, 35350 + ... + 35433.

It is an arithmetic number, because the mean of its divisors is an integer number (424704).

2^2972886 is an apocalyptic number.

2972886 is an abundant number, since it is smaller than the sum of its proper divisors (3822378).

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

2972886 is a wasteful number, since it uses less digits than its factorization.

2972886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70795.

The product of its digits is 96768, while the sum is 42.

The square root of 2972886 is about 1724.2059041773. The cubic root of 2972886 is about 143.7891396888.

The spelling of 2972886 in words is "two million, nine hundred seventy-two thousand, eight hundred eighty-six".