379129873 has 4 divisors (see below), whose sum is σ = 380703268. Its totient is φ = 377556480.

The previous prime is 379129853. The next prime is 379129879. The reversal of 379129873 is 378921973.

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 193543744 + 185586129 = 13912^2 + 13623^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-379129873 is a prime.

It is a super-2 number, since 2×379129873² = 287478921201992258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (379129879) 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, 786336 + ... + 786817.

It is an arithmetic number, because the mean of its divisors is an integer number (95175817).

Almost surely, 2^379129873 is an apocalyptic number.

It is an amenable number.

379129873 is a deficient number, since it is larger than the sum of its proper divisors (1573395).

379129873 is a wasteful number, since it uses less digits than its factorization.

379129873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573394.

The product of its digits is 571536, while the sum is 49.

The square root of 379129873 is about 19471.2576121831. The cubic root of 379129873 is about 723.7623739412.

The spelling of 379129873 in words is "three hundred seventy-nine million, one hundred twenty-nine thousand, eight hundred seventy-three".