380485831 has 12 divisors (see below), whose sum is σ = 424471096. Its totient is φ = 340726320.

The previous prime is 380485813. The next prime is 380485843. The reversal of 380485831 is 138584083.

It is not a de Polignac number, because 380485831 - 2¹⁷ = 380354759 is a prime.

It is a super-3 number, since 3×380485831³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380485331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15360 + ... + 31573.

Almost surely, 2^380485831 is an apocalyptic number.

380485831 is a deficient number, since it is larger than the sum of its proper divisors (43985265).

380485831 is a wasteful number, since it uses less digits than its factorization.

380485831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47022 (or 47011 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 380485831 is about 19506.0460114294. The cubic root of 380485831 is about 724.6241927073.

The spelling of 380485831 in words is "three hundred eighty million, four hundred eighty-five thousand, eight hundred thirty-one".