379869309 has 12 divisors (see below), whose sum is σ = 551460000. Its totient is φ = 251972424.

The previous prime is 379869307. The next prime is 379869331. The reversal of 379869309 is 903968973.

It is not a de Polignac number, because 379869309 - 2¹ = 379869307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379869307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104259 + ... + 107840.

It is an arithmetic number, because the mean of its divisors is an integer number (45955000).

Almost surely, 2^379869309 is an apocalyptic number.

It is an amenable number.

379869309 is a deficient number, since it is larger than the sum of its proper divisors (171590691).

379869309 is a wasteful number, since it uses less digits than its factorization.

379869309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212304 (or 212301 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The square root of 379869309 is about 19490.2362479268. The cubic root of 379869309 is about 724.2325983880.

The spelling of 379869309 in words is "three hundred seventy-nine million, eight hundred sixty-nine thousand, three hundred nine".