38705980 has 48 divisors (see below), whose sum is σ = 84639744. Its totient is φ = 14852160.

The previous prime is 38705939. The next prime is 38705993. The reversal of 38705980 is 8950783.

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, 100869 + ... + 101251.

It is an arithmetic number, because the mean of its divisors is an integer number (1763328).

Almost surely, 2^38705980 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 38705980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42319872).

38705980 is an abundant number, since it is smaller than the sum of its proper divisors (45933764).

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

38705980 is a wasteful number, since it uses less digits than its factorization.

38705980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 38705980 is about 6221.4130227787. The cubic root of 38705980 is about 338.2667851565.

The spelling of 38705980 in words is "thirty-eight million, seven hundred five thousand, nine hundred eighty".