39484920 has 64 divisors (see below), whose sum is σ = 121669920. Its totient is φ = 10243584.

The previous prime is 39484901. The next prime is 39484933. The reversal of 39484920 is 2948493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7 + ... + 8886.

Almost surely, 2^39484920 is an apocalyptic number.

39484920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39484920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60834960).

39484920 is an abundant number, since it is smaller than the sum of its proper divisors (82185000).

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

39484920 is a wasteful number, since it uses less digits than its factorization.

39484920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8944 (or 8940 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 39484920 is about 6283.7027300788. The cubic root of 39484920 is about 340.5208855550.

It can be divided in two parts, 39484 and 920, that added together give a palindrome (40404).

The spelling of 39484920 in words is "thirty-nine million, four hundred eighty-four thousand, nine hundred twenty".