380612855 has 48 divisors (see below), whose sum is σ = 556256064. Its totient is φ = 244823040.

The previous prime is 380612833. The next prime is 380612867. The reversal of 380612855 is 558216083.

It is not a de Polignac number, because 380612855 - 2²⁴ = 363835639 is a prime.

It is a super-2 number, since 2×380612855² = 289732290782502050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1129247 + ... + 1129583.

It is an arithmetic number, because the mean of its divisors is an integer number (11588668).

Almost surely, 2^380612855 is an apocalyptic number.

380612855 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

380612855 is a deficient number, since it is larger than the sum of its proper divisors (175643209).

380612855 is a wasteful number, since it uses less digits than its factorization.

380612855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 380612855 is about 19509.3017558292. The cubic root of 380612855 is about 724.7048215726.

It can be divided in two parts, 3806 and 12855, that added together give a palindrome (16661).

The spelling of 380612855 in words is "three hundred eighty million, six hundred twelve thousand, eight hundred fifty-five".