2172964 has 6 divisors (see below), whose sum is σ = 3802694. Its totient is φ = 1086480.

The previous prime is 2172949. The next prime is 2172967. The reversal of 2172964 is 4692712.

2172964 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1822500 + 350464 = 1350^2 + 592^2 .

It is not an unprimeable number, because it can be changed into a prime (2172967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271617 + ... + 271624.

2^2172964 is an apocalyptic number.

It is an amenable number.

2172964 is a deficient number, since it is larger than the sum of its proper divisors (1629730).

2172964 is a wasteful number, since it uses less digits than its factorization.

2172964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543245 (or 543243 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 2172964 is about 1474.0976901142. The cubic root of 2172964 is about 129.5241776933.

It can be divided in two parts, 2172 and 964, that added together give a square (3136 = 56²).

The spelling of 2172964 in words is "two million, one hundred seventy-two thousand, nine hundred sixty-four".