380647237 has 4 divisors (see below), whose sum is σ = 380710476. Its totient is φ = 380584000.

The previous prime is 380647199. The next prime is 380647247. The reversal of 380647237 is 732746083.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 123076836 + 257570401 = 11094^2 + 16049^2 .

It is a cyclic number.

It is not a de Polignac number, because 380647237 - 2¹⁵ = 380614469 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 380647237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380647247) 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, 21514 + ... + 34987.

It is an arithmetic number, because the mean of its divisors is an integer number (95177619).

Almost surely, 2^380647237 is an apocalyptic number.

It is an amenable number.

380647237 is a deficient number, since it is larger than the sum of its proper divisors (63239).

380647237 is an equidigital number, since it uses as much as digits as its factorization.

380647237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63238.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 380647237 is about 19510.1829053446. The cubic root of 380647237 is about 724.7266425653.

The spelling of 380647237 in words is "three hundred eighty million, six hundred forty-seven thousand, two hundred thirty-seven".