3625939 has 2 divisors, whose sum is σ = 3625940. Its totient is φ = 3625938.

The previous prime is 3625883. The next prime is 3625943. The reversal of 3625939 is 9395263.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3625939 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3625898 and 3625907.

It is not a weakly prime, because it can be changed into another prime (3625969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1812969 + 1812970.

It is an arithmetic number, because the mean of its divisors is an integer number (1812970).

Almost surely, 2^3625939 is an apocalyptic number.

3625939 is a deficient number, since it is larger than the sum of its proper divisors (1).

3625939 is an equidigital number, since it uses as much as digits as its factorization.

3625939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 37.

The square root of 3625939 is about 1904.1898539799. The cubic root of 3625939 is about 153.6291040725.

The spelling of 3625939 in words is "three million, six hundred twenty-five thousand, nine hundred thirty-nine".