385700971 has 4 divisors (see below), whose sum is σ = 385852312. Its totient is φ = 385549632.

The previous prime is 385700951. The next prime is 385700999. The reversal of 385700971 is 179007583.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 385700971 - 2⁹ = 385700459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385700951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71781 + ... + 76966.

It is an arithmetic number, because the mean of its divisors is an integer number (96463078).

Almost surely, 2^385700971 is an apocalyptic number.

385700971 is a deficient number, since it is larger than the sum of its proper divisors (151341).

385700971 is a wasteful number, since it uses less digits than its factorization.

385700971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151340.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 385700971 is about 19639.2711422802. The cubic root of 385700971 is about 727.9198749265.

The spelling of 385700971 in words is "three hundred eighty-five million, seven hundred thousand, nine hundred seventy-one".