385970915 has 8 divisors (see below), whose sum is σ = 505271088. Its totient is φ = 280706080.

The previous prime is 385970869. The next prime is 385970917. The reversal of 385970915 is 519079583.

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

It is not a de Polignac number, because 385970915 - 2¹⁶ = 385905379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 385970915.

It is not an unprimeable number, because it can be changed into a prime (385970917) 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, 3508772 + ... + 3508881.

It is an arithmetic number, because the mean of its divisors is an integer number (63158886).

Almost surely, 2^385970915 is an apocalyptic number.

385970915 is a deficient number, since it is larger than the sum of its proper divisors (119300173).

385970915 is a wasteful number, since it uses less digits than its factorization.

385970915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7017669.

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 385970915 is about 19646.1424966837. The cubic root of 385970915 is about 728.0896539296.

The spelling of 385970915 in words is "three hundred eighty-five million, nine hundred seventy thousand, nine hundred fifteen".