36384731 has 16 divisors (see below), whose sum is σ = 38854656. Its totient is φ = 34020000.

The previous prime is 36384707. The next prime is 36384737. The reversal of 36384731 is 13748363.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 36384731 - 2¹⁴ = 36368347 is a prime.

It is a super-2 number, since 2×36384731² = 2647697299884722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36384691 and 36384700.

It is not an unprimeable number, because it can be changed into a prime (36384737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134126 + ... + 134396.

It is an arithmetic number, because the mean of its divisors is an integer number (2428416).

Almost surely, 2^36384731 is an apocalyptic number.

36384731 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

36384731 is a deficient number, since it is larger than the sum of its proper divisors (2469925).

36384731 is a wasteful number, since it uses less digits than its factorization.

36384731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434.

The product of its digits is 36288, while the sum is 35.

The square root of 36384731 is about 6031.9757128158. The cubic root of 36384731 is about 331.3648128885.

The spelling of 36384731 in words is "thirty-six million, three hundred eighty-four thousand, seven hundred thirty-one".