36431982 has 24 divisors (see below), whose sum is σ = 79562496. Its totient is φ = 12047616.

The previous prime is 36431981. The next prime is 36432001. The reversal of 36431982 is 28913463.

36431982 is a `hidden beast` number, since 3 + 643 + 1 + 9 + 8 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36431981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5683 + ... + 10254.

It is an arithmetic number, because the mean of its divisors is an integer number (3315104).

Almost surely, 2^36431982 is an apocalyptic number.

36431982 is an abundant number, since it is smaller than the sum of its proper divisors (43130514).

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

36431982 is a wasteful number, since it uses less digits than its factorization.

36431982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16072 (or 16069 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 36431982 is about 6035.8911521001. The cubic root of 36431982 is about 331.5081930504.

It can be divided in two parts, 3643 and 1982, that added together give a square (5625 = 75²).

The spelling of 36431982 in words is "thirty-six million, four hundred thirty-one thousand, nine hundred eighty-two".