385136670 has 24 divisors (see below), whose sum is σ = 924586056. Its totient is φ = 102674448.

The previous prime is 385136639. The next prime is 385136693. The reversal of 385136670 is 76631583.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105699 + ... + 109281.

It is an arithmetic number, because the mean of its divisors is an integer number (38524419).

Almost surely, 2^385136670 is an apocalyptic number.

385136670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

385136670 is an abundant number, since it is smaller than the sum of its proper divisors (539449386).

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

385136670 is an frugal number, since it uses more digits than its factorization.

385136670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7176 (or 3593 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 385136670 is about 19624.8992354101. The cubic root of 385136670 is about 727.5647065177.

The spelling of 385136670 in words is "three hundred eighty-five million, one hundred thirty-six thousand, six hundred seventy".