385672580 has 12 divisors (see below), whose sum is σ = 809912460. Its totient is φ = 154269024.

The previous prime is 385672499. The next prime is 385672589. The reversal of 385672580 is 85276583.

It can be written as a sum of positive squares in 2 ways, for example, as 211062784 + 174609796 = 14528^2 + 13214^2 .

It is not an unprimeable number, because it can be changed into a prime (385672589) 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, 9641795 + ... + 9641834.

It is an arithmetic number, because the mean of its divisors is an integer number (67492705).

Almost surely, 2^385672580 is an apocalyptic number.

It is an amenable number.

385672580 is an abundant number, since it is smaller than the sum of its proper divisors (424239880).

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

385672580 is a wasteful number, since it uses less digits than its factorization.

385672580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19283638 (or 19283636 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 385672580 is about 19638.5483170218. The cubic root of 385672580 is about 727.9020140431.

The spelling of 385672580 in words is "three hundred eighty-five million, six hundred seventy-two thousand, five hundred eighty".