36431532 has 72 divisors (see below), whose sum is σ = 98179536. Its totient is φ = 11803968.

The previous prime is 36431503. The next prime is 36431581. The reversal of 36431532 is 23513463.

It is a happy number.

36431532 is a `hidden beast` number, since 3 + 643 + 15 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 36431496 and 36431505.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35458 + ... + 36470.

Almost surely, 2^36431532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36431532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49089768).

36431532 is an abundant number, since it is smaller than the sum of its proper divisors (61748004).

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

36431532 is a wasteful number, since it uses less digits than its factorization.

36431532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 1055 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 36431532 is about 6035.8538749708. The cubic root of 36431532 is about 331.5068281389.

Adding to 36431532 its reverse (23513463), we get a palindrome (59944995).

It can be divided in two parts, 36431 and 532, that added together give a palindrome (36963).

The spelling of 36431532 in words is "thirty-six million, four hundred thirty-one thousand, five hundred thirty-two".