379780491 has 16 divisors (see below), whose sum is σ = 531221760. Its totient is φ = 241009440.

The previous prime is 379780477. The next prime is 379780501. The reversal of 379780491 is 194087973.

It is not a de Polignac number, because 379780491 - 2¹⁹ = 379256203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 379780491.

It is not an unprimeable number, because it can be changed into a prime (379788491) 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, 24565 + ... + 36918.

It is an arithmetic number, because the mean of its divisors is an integer number (33201360).

Almost surely, 2^379780491 is an apocalyptic number.

379780491 is a deficient number, since it is larger than the sum of its proper divisors (151441269).

379780491 is a wasteful number, since it uses less digits than its factorization.

379780491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61586.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 379780491 is about 19487.9575892396. The cubic root of 379780491 is about 724.1761492326.

The spelling of 379780491 in words is "three hundred seventy-nine million, seven hundred eighty thousand, four hundred ninety-one".