36938561 has 8 divisors (see below), whose sum is σ = 40374048. Its totient is φ = 33516000.

The previous prime is 36938557. The next prime is 36938593. The reversal of 36938561 is 16583963.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36938561 - 2² = 36938557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36938521) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3341 + ... + 9221.

It is an arithmetic number, because the mean of its divisors is an integer number (5046756).

Almost surely, 2^36938561 is an apocalyptic number.

It is an amenable number.

36938561 is a deficient number, since it is larger than the sum of its proper divisors (3435487).

36938561 is a wasteful number, since it uses less digits than its factorization.

36938561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6463.

The product of its digits is 116640, while the sum is 41.

The square root of 36938561 is about 6077.7101773612. The cubic root of 36938561 is about 333.0376430015.

The spelling of 36938561 in words is "thirty-six million, nine hundred thirty-eight thousand, five hundred sixty-one".