38765280 has 48 divisors (see below), whose sum is σ = 122112144. Its totient is φ = 10337280.

The previous prime is 38765273. The next prime is 38765297. The reversal of 38765280 is 8256783.

It is a tau number, because it is divible by the number of its divisors (48).

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, 39901 + ... + 40860.

It is an arithmetic number, because the mean of its divisors is an integer number (2544003).

Almost surely, 2^38765280 is an apocalyptic number.

38765280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38765280 is an abundant number, since it is smaller than the sum of its proper divisors (83346864).

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

38765280 is a wasteful number, since it uses less digits than its factorization.

38765280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80779 (or 80771 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 38765280 is about 6226.1769971629. The cubic root of 38765280 is about 338.4394456866.

The spelling of 38765280 in words is "thirty-eight million, seven hundred sixty-five thousand, two hundred eighty".