379906785 has 12 divisors (see below), whose sum is σ = 658505172. Its totient is φ = 202616928.

The previous prime is 379906783. The next prime is 379906799. The reversal of 379906785 is 587609973.

It can be written as a sum of positive squares in 2 ways, for example, as 229795281 + 150111504 = 15159^2 + 12252^2 .

It is not a de Polignac number, because 379906785 - 2¹ = 379906783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (379906783) 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, 4221142 + ... + 4221231.

It is an arithmetic number, because the mean of its divisors is an integer number (54875431).

Almost surely, 2^379906785 is an apocalyptic number.

It is an amenable number.

379906785 is a deficient number, since it is larger than the sum of its proper divisors (278598387).

379906785 is a wasteful number, since it uses less digits than its factorization.

379906785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8442384 (or 8442381 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The square root of 379906785 is about 19491.1976286733. The cubic root of 379906785 is about 724.2564139896.

The spelling of 379906785 in words is "three hundred seventy-nine million, nine hundred six thousand, seven hundred eighty-five".