379689690 has 16 divisors (see below), whose sum is σ = 911255328. Its totient is φ = 101250576.

The previous prime is 379689689. The next prime is 379689701. The reversal of 379689690 is 96986973.

It is a super-2 number, since 2×379689690² = 288328521384592200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 379689690.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6328132 + ... + 6328191.

It is an arithmetic number, because the mean of its divisors is an integer number (56953458).

Almost surely, 2^379689690 is an apocalyptic number.

379689690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

379689690 is an abundant number, since it is smaller than the sum of its proper divisors (531565638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

379689690 is a wasteful number, since it uses less digits than its factorization.

379689690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12656333.

The product of its (nonzero) digits is 4408992, while the sum is 57.

The square root of 379689690 is about 19485.6277804950. The cubic root of 379689690 is about 724.1184306634.

The spelling of 379689690 in words is "three hundred seventy-nine million, six hundred eighty-nine thousand, six hundred ninety".