380506837 has 4 divisors (see below), whose sum is σ = 386744716. Its totient is φ = 374268960.

The previous prime is 380506831. The next prime is 380506843. The reversal of 380506837 is 738605083.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (380506831) and next prime (380506843).

It can be written as a sum of positive squares in 2 ways, for example, as 13439556 + 367067281 = 3666^2 + 19159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380506837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 380506837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380506831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3118848 + ... + 3118969.

It is an arithmetic number, because the mean of its divisors is an integer number (96686179).

Almost surely, 2^380506837 is an apocalyptic number.

It is an amenable number.

380506837 is a deficient number, since it is larger than the sum of its proper divisors (6237879).

380506837 is an equidigital number, since it uses as much as digits as its factorization.

380506837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6237878.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 380506837 is about 19506.5844524355. The cubic root of 380506837 is about 724.6375275672.

The spelling of 380506837 in words is "three hundred eighty million, five hundred six thousand, eight hundred thirty-seven".