38820980 has 24 divisors (see below), whose sum is σ = 88935840. Its totient is φ = 14116640.

The previous prime is 38820961. The next prime is 38821001. The reversal of 38820980 is 8902883.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88010 + ... + 88449.

It is an arithmetic number, because the mean of its divisors is an integer number (3705660).

Almost surely, 2^38820980 is an apocalyptic number.

It is an amenable number.

38820980 is an abundant number, since it is smaller than the sum of its proper divisors (50114860).

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

38820980 is a wasteful number, since it uses less digits than its factorization.

38820980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176479 (or 176477 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 38820980 is about 6230.6484413743. The cubic root of 38820980 is about 338.6014639977.

The spelling of 38820980 in words is "thirty-eight million, eight hundred twenty thousand, nine hundred eighty".