3172940 has 12 divisors (see below), whose sum is σ = 6663216. Its totient is φ = 1269168.

The previous prime is 3172937. The next prime is 3172957. The reversal of 3172940 is 492713.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79304 + ... + 79343.

It is an arithmetic number, because the mean of its divisors is an integer number (555268).

Almost surely, 2^3172940 is an apocalyptic number.

It is an amenable number.

3172940 is an abundant number, since it is smaller than the sum of its proper divisors (3490276).

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

3172940 is a wasteful number, since it uses less digits than its factorization.

3172940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158656 (or 158654 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 3172940 is about 1781.2748243884. The cubic root of 3172940 is about 146.9447090254.

The spelling of 3172940 in words is "three million, one hundred seventy-two thousand, nine hundred forty".