385715670 has 32 divisors (see below), whose sum is σ = 927839232. Its totient is φ = 102621792.

The previous prime is 385715663. The next prime is 385715677. The reversal of 385715670 is 76517583.

It is an interprime number because it is at equal distance from previous prime (385715663) and next prime (385715677).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385715677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1222 + ... + 27801.

It is an arithmetic number, because the mean of its divisors is an integer number (28994976).

Almost surely, 2^385715670 is an apocalyptic number.

385715670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

385715670 is an abundant number, since it is smaller than the sum of its proper divisors (542123562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385715670 is a wasteful number, since it uses less digits than its factorization.

385715670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29476.

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 385715670 is about 19639.6453633970. The cubic root of 385715670 is about 727.9291217776.

The spelling of 385715670 in words is "three hundred eighty-five million, seven hundred fifteen thousand, six hundred seventy".