39980224 has 28 divisors (see below), whose sum is σ = 80238600. Its totient is φ = 19762688.

The previous prime is 39980177. The next prime is 39980231. The reversal of 39980224 is 42208993.

It is a super-2 number, since 2×39980224² = 3196836622180352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2187 + ... + 9205.

Almost surely, 2^39980224 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 39980224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40119300).

39980224 is an abundant number, since it is smaller than the sum of its proper divisors (40258376).

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

39980224 is an equidigital number, since it uses as much as digits as its factorization.

39980224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7120 (or 7110 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 39980224 is about 6322.9916969738. The cubic root of 39980224 is about 341.9388192373.

It can be divided in two parts, 39980 and 224, that added together give a palindrome (40204).

The spelling of 39980224 in words is "thirty-nine million, nine hundred eighty thousand, two hundred twenty-four".