380857659 has 16 divisors (see below), whose sum is σ = 624997632. Its totient is φ = 200891808.

The previous prime is 380857643. The next prime is 380857699. The reversal of 380857659 is 956758083.

It is not a de Polignac number, because 380857659 - 2⁴ = 380857643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (380857699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697269 + ... + 697814.

It is an arithmetic number, because the mean of its divisors is an integer number (39062352).

Almost surely, 2^380857659 is an apocalyptic number.

380857659 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

380857659 is a deficient number, since it is larger than the sum of its proper divisors (244139973).

380857659 is a wasteful number, since it uses less digits than its factorization.

380857659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395106.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 380857659 is about 19515.5747801596. The cubic root of 380857659 is about 724.8601610595.

The spelling of 380857659 in words is "three hundred eighty million, eight hundred fifty-seven thousand, six hundred fifty-nine".