36447964 has 18 divisors (see below), whose sum is σ = 74198040. Its totient is φ = 15620472.

The previous prime is 36447959. The next prime is 36447967. The reversal of 36447964 is 46974463.

It is a super-3 number, since 3×36447964³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36447964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36447967) 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, 92784 + ... + 93175.

Almost surely, 2^36447964 is an apocalyptic number.

It is an amenable number.

36447964 is an abundant number, since it is smaller than the sum of its proper divisors (37750076).

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

36447964 is a wasteful number, since it uses less digits than its factorization.

36447964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185977 (or 185968 counting only the distinct ones).

The product of its digits is 435456, while the sum is 43.

The square root of 36447964 is about 6037.2149208058. The cubic root of 36447964 is about 331.5566613568.

The spelling of 36447964 in words is "thirty-six million, four hundred forty-seven thousand, nine hundred sixty-four".