36981959 has 8 divisors (see below), whose sum is σ = 43296288. Its totient is φ = 30925440.

The previous prime is 36981947. The next prime is 36981991. The reversal of 36981959 is 95918963.

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

It is a de Polignac number, because none of the positive numbers 2^k-36981959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36987959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64142 + ... + 64715.

It is an arithmetic number, because the mean of its divisors is an integer number (5412036).

Almost surely, 2^36981959 is an apocalyptic number.

36981959 is a deficient number, since it is larger than the sum of its proper divisors (6314329).

36981959 is a wasteful number, since it uses less digits than its factorization.

36981959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128905.

The product of its digits is 524880, while the sum is 50.

The square root of 36981959 is about 6081.2793884182. The cubic root of 36981959 is about 333.1680172476.

It can be divided in two parts, 369 and 81959, that added together give a palindrome (82328).

The spelling of 36981959 in words is "thirty-six million, nine hundred eighty-one thousand, nine hundred fifty-nine".