36689388 has 24 divisors (see below), whose sum is σ = 85804992. Its totient is φ = 12201744.

The previous prime is 36689371. The next prime is 36689407. The reversal of 36689388 is 88398663.

It is a super-2 number, since 2×36689388² = 2692222383629088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36689388.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2331 + ... + 8877.

It is an arithmetic number, because the mean of its divisors is an integer number (3575208).

Almost surely, 2^36689388 is an apocalyptic number.

It is an amenable number.

36689388 is an abundant number, since it is smaller than the sum of its proper divisors (49115604).

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

36689388 is a wasteful number, since it uses less digits than its factorization.

36689388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7021 (or 7019 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 36689388 is about 6057.1765699870. The cubic root of 36689388 is about 332.2871058822.

The spelling of 36689388 in words is "thirty-six million, six hundred eighty-nine thousand, three hundred eighty-eight".