38529980 has 24 divisors (see below), whose sum is σ = 83704320. Its totient is φ = 14880320.

The previous prime is 38529977. The next prime is 38530001. The reversal of 38529980 is 8992583.

It is a congruent number.

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, 32636 + ... + 33795.

It is an arithmetic number, because the mean of its divisors is an integer number (3487680).

Almost surely, 2^38529980 is an apocalyptic number.

It is an amenable number.

38529980 is an abundant number, since it is smaller than the sum of its proper divisors (45174340).

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

38529980 is a wasteful number, since it uses less digits than its factorization.

38529980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66469 (or 66467 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 38529980 is about 6207.2522101168. The cubic root of 38529980 is about 337.7532949931.

The spelling of 38529980 in words is "thirty-eight million, five hundred twenty-nine thousand, nine hundred eighty".