39532428 has 96 divisors (see below), whose sum is σ = 113507520. Its totient is φ = 11819520.

The previous prime is 39532421. The next prime is 39532457. The reversal of 39532428 is 82423593.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 39532392 and 39532401.

It is not an unprimeable number, because it can be changed into a prime (39532421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51568 + ... + 52328.

It is an arithmetic number, because the mean of its divisors is an integer number (1182370).

Almost surely, 2^39532428 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 39532428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56753760).

39532428 is an abundant number, since it is smaller than the sum of its proper divisors (73975092).

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

39532428 is a wasteful number, since it uses less digits than its factorization.

39532428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824 (or 816 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 39532428 is about 6287.4818488804. The cubic root of 39532428 is about 340.6574016592.

It can be divided in two parts, 395 and 32428, that added together give a palindrome (32823).

The spelling of 39532428 in words is "thirty-nine million, five hundred thirty-two thousand, four hundred twenty-eight".