380870681 has 8 divisors (see below), whose sum is σ = 396639744. Its totient is φ = 365319360.

The previous prime is 380870629. The next prime is 380870683. The reversal of 380870681 is 186078083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 380870681 - 2¹⁸ = 380608537 is a prime.

It is a super-2 number, since 2×380870681² = 290124951290807522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (380870683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50861 + ... + 57866.

It is an arithmetic number, because the mean of its divisors is an integer number (49579968).

Almost surely, 2^380870681 is an apocalyptic number.

380870681 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

380870681 is a deficient number, since it is larger than the sum of its proper divisors (15769063).

380870681 is a wasteful number, since it uses less digits than its factorization.

380870681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108871.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 380870681 is about 19515.9084082704. The cubic root of 380870681 is about 724.8684222574.

The spelling of 380870681 in words is "three hundred eighty million, eight hundred seventy thousand, six hundred eighty-one".