39421532 has 24 divisors (see below), whose sum is σ = 70803264. Its totient is φ = 19196352.

The previous prime is 39421531. The next prime is 39421549. The reversal of 39421532 is 23512493.

It is a junction number, because it is equal to n+sod(n) for n = 39421495 and 39421504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39421531) 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, 51698 + ... + 52454.

It is an arithmetic number, because the mean of its divisors is an integer number (2950136).

Almost surely, 2^39421532 is an apocalyptic number.

It is an amenable number.

39421532 is a deficient number, since it is larger than the sum of its proper divisors (31381732).

39421532 is a wasteful number, since it uses less digits than its factorization.

39421532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1083 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 39421532 is about 6278.6568627374. The cubic root of 39421532 is about 340.3385670156.

The spelling of 39421532 in words is "thirty-nine million, four hundred twenty-one thousand, five hundred thirty-two".