38209980 has 48 divisors (see below), whose sum is σ = 110444544. Its totient is φ = 9860160.

The previous prime is 38209967. The next prime is 38210027. The reversal of 38209980 is 8990283.

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, 8412 + ... + 12131.

It is an arithmetic number, because the mean of its divisors is an integer number (2300928).

Almost surely, 2^38209980 is an apocalyptic number.

38209980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38209980 is an abundant number, since it is smaller than the sum of its proper divisors (72234564).

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

38209980 is a wasteful number, since it uses less digits than its factorization.

38209980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20586 (or 20584 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 38209980 is about 6181.4221664598. The cubic root of 38209980 is about 336.8156558265.

The spelling of 38209980 in words is "thirty-eight million, two hundred nine thousand, nine hundred eighty".