39424944 has 160 divisors (see below), whose sum is σ = 118992384. Its totient is φ = 11151360.

The previous prime is 39424939. The next prime is 39424961. The reversal of 39424944 is 44942493.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 588399 + ... + 588465.

Almost surely, 2^39424944 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 39424944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59496192).

39424944 is an abundant number, since it is smaller than the sum of its proper divisors (79567440).

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

39424944 is a wasteful number, since it uses less digits than its factorization.

39424944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 149 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 39424944 is about 6278.9285710223. The cubic root of 39424944 is about 340.3483856911.

The spelling of 39424944 in words is "thirty-nine million, four hundred twenty-four thousand, nine hundred forty-four".