3690400825 has 12 divisors (see below), whose sum is σ = 4682519248. Its totient is φ = 2883661200.

The previous prime is 3690400801. The next prime is 3690400841. The reversal of 3690400825 is 5280040963.

It is not a de Polignac number, because 3690400825 - 2¹³ = 3690392633 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1715391 + ... + 1717540.

Almost surely, 2^3690400825 is an apocalyptic number.

It is an amenable number.

3690400825 is a deficient number, since it is larger than the sum of its proper divisors (992118423).

3690400825 is a wasteful number, since it uses less digits than its factorization.

3690400825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432984 (or 3432979 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 3690400825 is about 60748.6693269902. The cubic root of 3690400825 is about 1545.3416608410.

The spelling of 3690400825 in words is "three billion, six hundred ninety million, four hundred thousand, eight hundred twenty-five".