36405612 has 30 divisors (see below), whose sum is σ = 95172308. Its totient is φ = 12135096.

The previous prime is 36405599. The next prime is 36405623. The reversal of 36405612 is 21650463.

36405612 is a `hidden beast` number, since 3 + 6 + 40 + 5 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 9 ways as a sum of consecutive naturals, for example, 55858 + ... + 56505.

Almost surely, 2^36405612 is an apocalyptic number.

It is an amenable number.

36405612 is an abundant number, since it is smaller than the sum of its proper divisors (58766696).

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

36405612 is a wasteful number, since it uses less digits than its factorization.

36405612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112379 (or 112368 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 36405612 is about 6033.7063236455. The cubic root of 36405612 is about 331.4281902563.

The spelling of 36405612 in words is "thirty-six million, four hundred five thousand, six hundred twelve".