39413888 has 64 divisors (see below), whose sum is σ = 84823200. Its totient is φ = 18173952.

The previous prime is 39413887. The next prime is 39413893. The reversal of 39413888 is 88831493.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (39413887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128231 + ... + 128537.

Almost surely, 2^39413888 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 39413888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42411600).

39413888 is an abundant number, since it is smaller than the sum of its proper divisors (45409312).

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

39413888 is a wasteful number, since it uses less digits than its factorization.

39413888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 385 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 39413888 is about 6278.0481043076. The cubic root of 39413888 is about 340.3165679029.

The spelling of 39413888 in words is "thirty-nine million, four hundred thirteen thousand, eight hundred eighty-eight".