39387480 has 128 divisors (see below), whose sum is σ = 131569920. Its totient is φ = 9351680.

The previous prime is 39387479. The next prime is 39387493. The reversal of 39387480 is 8478393.

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, 69679 + ... + 70241.

It is an arithmetic number, because the mean of its divisors is an integer number (1027890).

Almost surely, 2^39387480 is an apocalyptic number.

39387480 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 39387480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65784960).

39387480 is an abundant number, since it is smaller than the sum of its proper divisors (92182440).

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

39387480 is a wasteful number, since it uses less digits than its factorization.

39387480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 39387480 is about 6275.9445504243. The cubic root of 39387480 is about 340.2405448875.

The spelling of 39387480 in words is "thirty-nine million, three hundred eighty-seven thousand, four hundred eighty".