380450631 has 16 divisors (see below), whose sum is σ = 571235328. Its totient is φ = 223137600.

The previous prime is 380450617. The next prime is 380450683. The reversal of 380450631 is 136054083.

It is not a de Polignac number, because 380450631 - 2¹⁰ = 380449607 is a prime.

It is a super-2 number, since 2×380450631² = 289485365256596322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380450431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184926 + ... + 186971.

It is an arithmetic number, because the mean of its divisors is an integer number (35702208).

Almost surely, 2^380450631 is an apocalyptic number.

380450631 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

380450631 is a deficient number, since it is larger than the sum of its proper divisors (190784697).

380450631 is a wasteful number, since it uses less digits than its factorization.

380450631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371942.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 380450631 is about 19505.1437062125. The cubic root of 380450631 is about 724.6018462263.

The spelling of 380450631 in words is "three hundred eighty million, four hundred fifty thousand, six hundred thirty-one".