3696390225 has 36 divisors (see below), whose sum is σ = 7222527312. Its totient is φ = 1792188000.

The previous prime is 3696390193. The next prime is 3696390227. The reversal of 3696390225 is 5220936963.

3696390225 is a `hidden beast` number, since 3 + 6 + 9 + 639 + 0 + 2 + 2 + 5 = 666.

It is not a de Polignac number, because 3696390225 - 2⁵ = 3696390193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (3696390227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 744271 + ... + 749220.

Almost surely, 2^3696390225 is an apocalyptic number.

It is an amenable number.

3696390225 is a deficient number, since it is larger than the sum of its proper divisors (3526137087).

3696390225 is a wasteful number, since it uses less digits than its factorization.

3696390225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493518 (or 1493510 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 45.

The square root of 3696390225 is about 60797.9458945777. The cubic root of 3696390225 is about 1546.1772219878.

The spelling of 3696390225 in words is "three billion, six hundred ninety-six million, three hundred ninety thousand, two hundred twenty-five".