83438632 has 24 divisors (see below), whose sum is σ = 158758650. Its totient is φ = 41111840.

The previous prime is 83438627. The next prime is 83438653. The reversal of 83438632 is 23683438.

It can be written as a sum of positive squares in only one way, i.e., 80030916 + 3407716 = 8946^2 + 1846^2 .

It is a junction number, because it is equal to n+sod(n) for n = 83438591 and 83438600.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39294 + ... + 41362.

Almost surely, 2^83438632 is an apocalyptic number.

It is an amenable number.

83438632 is a deficient number, since it is larger than the sum of its proper divisors (75320018).

83438632 is a wasteful number, since it uses less digits than its factorization.

83438632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217 (or 2142 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 83438632 is about 9134.4749164908. The cubic root of 83438632 is about 436.9741286501.

The spelling of 83438632 in words is "eighty-three million, four hundred thirty-eight thousand, six hundred thirty-two".