3125624 has 8 divisors (see below), whose sum is σ = 5860560. Its totient is φ = 1562808.

The previous prime is 3125611. The next prime is 3125651. The reversal of 3125624 is 4265213.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 3125624.

It is a congruent 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 as a sum of consecutive naturals, namely, 195344 + ... + 195359.

It is an arithmetic number, because the mean of its divisors is an integer number (732570).

Almost surely, 2^3125624 is an apocalyptic number.

It is an amenable number.

3125624 is a deficient number, since it is larger than the sum of its proper divisors (2734936).

3125624 is a wasteful number, since it uses less digits than its factorization.

3125624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390709 (or 390705 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 3125624 is about 1767.9434380093. The cubic root of 3125624 is about 146.2106173940.

The spelling of 3125624 in words is "three million, one hundred twenty-five thousand, six hundred twenty-four".