379557709 has 8 divisors (see below), whose sum is σ = 383040000. Its totient is φ = 376086432.

The previous prime is 379557667. The next prime is 379557719. The reversal of 379557709 is 907755973.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 379557709 - 2⁹ = 379557197 is a prime.

It is a super-2 number, since 2×379557709² = 288128108922657362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379557719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76692 + ... + 81490.

It is an arithmetic number, because the mean of its divisors is an integer number (47880000).

Almost surely, 2^379557709 is an apocalyptic number.

It is an amenable number.

379557709 is a deficient number, since it is larger than the sum of its proper divisors (3482291).

379557709 is a wasteful number, since it uses less digits than its factorization.

379557709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507.

The product of its (nonzero) digits is 2083725, while the sum is 52.

The square root of 379557709 is about 19482.2408618721. The cubic root of 379557709 is about 724.0345192021.

It can be divided in two parts, 3795 and 57709, that added together give a square (61504 = 248²).

The spelling of 379557709 in words is "three hundred seventy-nine million, five hundred fifty-seven thousand, seven hundred nine".