369120636 has 18 divisors (see below), whose sum is σ = 933055032. Its totient is φ = 123040200.

The previous prime is 369120623. The next prime is 369120637. The reversal of 369120636 is 636021963.

369120636 is a `hidden beast` number, since 3 + 6 + 9 + 12 + 0 + 636 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 10253351 = 369120636 / (3 + 6 + 9 + 1 + 2 + 0 + 6 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 369120636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (369120637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5126640 + ... + 5126711.

Almost surely, 2^369120636 is an apocalyptic number.

369120636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

369120636 is an abundant number, since it is smaller than the sum of its proper divisors (563934396).

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

369120636 is a wasteful number, since it uses less digits than its factorization.

369120636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10253361 (or 10253356 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 369120636 is about 19212.5124853570. The cubic root of 369120636 is about 717.3362451302.

The spelling of 369120636 in words is "three hundred sixty-nine million, one hundred twenty thousand, six hundred thirty-six".