2972188 has 6 divisors (see below), whose sum is σ = 5201336. Its totient is φ = 1486092.

The previous prime is 2972183. The next prime is 2972197. The reversal of 2972188 is 8812792.

2972188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2972183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371520 + ... + 371527.

2^2972188 is an apocalyptic number.

It is an amenable number.

2972188 is a deficient number, since it is larger than the sum of its proper divisors (2229148).

2972188 is a wasteful number, since it uses less digits than its factorization.

2972188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743051 (or 743049 counting only the distinct ones).

The product of its digits is 16128, while the sum is 37.

The square root of 2972188 is about 1724.0034802749. The cubic root of 2972188 is about 143.7778854535. Note that the first 3 decimals are identical.

It can be divided in two parts, 2972 and 188, that added together give a triangular number (3160 = T₇₉).

The spelling of 2972188 in words is "two million, nine hundred seventy-two thousand, one hundred eighty-eight".