39948444 has 24 divisors (see below), whose sum is σ = 103570320. Its totient is φ = 13316112.

The previous prime is 39948439. The next prime is 39948509. The reversal of 39948444 is 44484993.

It is a super-2 number, since 2×39948444² = 3191756356042272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39948444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184839 + ... + 185054.

It is an arithmetic number, because the mean of its divisors is an integer number (4315430).

Almost surely, 2^39948444 is an apocalyptic number.

It is an amenable number.

39948444 is an abundant number, since it is smaller than the sum of its proper divisors (63621876).

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

39948444 is a wasteful number, since it uses less digits than its factorization.

39948444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369906 (or 369898 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 39948444 is about 6320.4781464696. The cubic root of 39948444 is about 341.8481936298.

The spelling of 39948444 in words is "thirty-nine million, nine hundred forty-eight thousand, four hundred forty-four".