36390428 has 12 divisors (see below), whose sum is σ = 63726432. Its totient is φ = 18182880.

The previous prime is 36390397. The next prime is 36390449. The reversal of 36390428 is 82409363.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7901 + ... + 11627.

It is an arithmetic number, because the mean of its divisors is an integer number (5310536).

Almost surely, 2^36390428 is an apocalyptic number.

It is an amenable number.

36390428 is a deficient number, since it is larger than the sum of its proper divisors (27336004).

36390428 is a wasteful number, since it uses less digits than its factorization.

36390428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6172 (or 6170 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 36390428 is about 6032.4479276658. The cubic root of 36390428 is about 331.3821066522.

The spelling of 36390428 in words is "thirty-six million, three hundred ninety thousand, four hundred twenty-eight".