39538224 has 120 divisors (see below), whose sum is σ = 122350800. Its totient is φ = 11819520.

The previous prime is 39538207. The next prime is 39538229. The reversal of 39538224 is 42283593.

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

It is not an unprimeable number, because it can be changed into a prime (39538229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172542 + ... + 172770.

It is an arithmetic number, because the mean of its divisors is an integer number (1019590).

Almost surely, 2^39538224 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 39538224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61175400).

39538224 is an abundant number, since it is smaller than the sum of its proper divisors (82812576).

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

39538224 is a wasteful number, since it uses less digits than its factorization.

39538224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 354 counting only the distinct ones).

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

The square root of 39538224 is about 6287.9427478310. The cubic root of 39538224 is about 340.6740492058.

The spelling of 39538224 in words is "thirty-nine million, five hundred thirty-eight thousand, two hundred twenty-four".