385242770 has 16 divisors (see below), whose sum is σ = 756476928. Its totient is φ = 140088240.

The previous prime is 385242761. The next prime is 385242773. The reversal of 385242770 is 77242583.

It is not an unprimeable number, because it can be changed into a prime (385242773) 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, 1750994 + ... + 1751213.

It is an arithmetic number, because the mean of its divisors is an integer number (47279808).

Almost surely, 2^385242770 is an apocalyptic number.

385242770 is a deficient number, since it is larger than the sum of its proper divisors (371234158).

385242770 is a wasteful number, since it uses less digits than its factorization.

385242770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502225.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 385242770 is about 19627.6022478549. The cubic root of 385242770 is about 727.6315118311.

The spelling of 385242770 in words is "three hundred eighty-five million, two hundred forty-two thousand, seven hundred seventy".