379434687 has 4 divisors (see below), whose sum is σ = 505912920. Its totient is φ = 252956456.

The previous prime is 379434683. The next prime is 379434691. The reversal of 379434687 is 786434973.

It is a happy number.

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 (379434683) and next prime (379434691).

It is a cyclic number.

It is not a de Polignac number, because 379434687 - 2² = 379434683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379434683) 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, 63239112 + ... + 63239117.

It is an arithmetic number, because the mean of its divisors is an integer number (126478230).

Almost surely, 2^379434687 is an apocalyptic number.

379434687 is a deficient number, since it is larger than the sum of its proper divisors (126478233).

379434687 is a wasteful number, since it uses less digits than its factorization.

379434687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126478232.

The product of its digits is 3048192, while the sum is 51.

The square root of 379434687 is about 19479.0833203208. The cubic root of 379434687 is about 723.9562862153.

The spelling of 379434687 in words is "three hundred seventy-nine million, four hundred thirty-four thousand, six hundred eighty-seven".