36981534 has 8 divisors (see below), whose sum is σ = 73963080. Its totient is φ = 12327176.

The previous prime is 36981533. The next prime is 36981551. The reversal of 36981534 is 43518963.

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

36981534 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 36981492 and 36981501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36981533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3081789 + ... + 3081800.

It is an arithmetic number, because the mean of its divisors is an integer number (9245385).

Almost surely, 2^36981534 is an apocalyptic number.

36981534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

36981534 is a wasteful number, since it uses less digits than its factorization.

36981534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6163594.

The product of its digits is 77760, while the sum is 39.

The square root of 36981534 is about 6081.2444450129. The cubic root of 36981534 is about 333.1667409771.

The spelling of 36981534 in words is "thirty-six million, nine hundred eighty-one thousand, five hundred thirty-four".