39779488 has 48 divisors (see below), whose sum is σ = 89982144. Its totient is φ = 16957440.

The previous prime is 39779459. The next prime is 39779491. The reversal of 39779488 is 88497793.

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, 57223 + ... + 57913.

It is an arithmetic number, because the mean of its divisors is an integer number (1874628).

Almost surely, 2^39779488 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 39779488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44991072).

39779488 is an abundant number, since it is smaller than the sum of its proper divisors (50202656).

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

39779488 is a wasteful number, since it uses less digits than its factorization.

39779488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965 (or 957 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 55.

The square root of 39779488 is about 6307.0982234305. The cubic root of 39779488 is about 341.3655805851.

The spelling of 39779488 in words is "thirty-nine million, seven hundred seventy-nine thousand, four hundred eighty-eight".