379477217 has 18 divisors (see below), whose sum is σ = 453765942. Its totient is φ = 316419264.

The previous prime is 379477199. The next prime is 379477243. The reversal of 379477217 is 712774973.

It can be written as a sum of positive squares in 3 ways, for example, as 126540001 + 252937216 = 11249^2 + 15904^2 .

It is not a de Polignac number, because 379477217 - 2²⁴ = 362700001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379477117) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 64253 + ... + 69909.

It is an arithmetic number, because the mean of its divisors is an integer number (25209219).

Almost surely, 2^379477217 is an apocalyptic number.

379477217 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

379477217 is a deficient number, since it is larger than the sum of its proper divisors (74288725).

379477217 is an equidigital number, since it uses as much as digits as its factorization.

379477217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5745 (or 5701 counting only the distinct ones).

The product of its digits is 518616, while the sum is 47.

The square root of 379477217 is about 19480.1749735468. The cubic root of 379477217 is about 723.9833340944.

The spelling of 379477217 in words is "three hundred seventy-nine million, four hundred seventy-seven thousand, two hundred seventeen".