39625980 has 96 divisors (see below), whose sum is σ = 119859264. Its totient is φ = 9744384.

The previous prime is 39625973. The next prime is 39626009. The reversal of 39625980 is 8952693.

It is a congruent number.

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, 53694 + ... + 54426.

It is an arithmetic number, because the mean of its divisors is an integer number (1248534).

Almost surely, 2^39625980 is an apocalyptic number.

39625980 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 39625980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59929632).

39625980 is an abundant number, since it is smaller than the sum of its proper divisors (80233284).

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

39625980 is a wasteful number, since it uses less digits than its factorization.

39625980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 39625980 is about 6294.9169970699. The cubic root of 39625980 is about 340.9259075987.

The spelling of 39625980 in words is "thirty-nine million, six hundred twenty-five thousand, nine hundred eighty".