385574516 has 6 divisors (see below), whose sum is σ = 674755410. Its totient is φ = 192787256.

The previous prime is 385574489. The next prime is 385574533. The reversal of 385574516 is 615475583.

It can be written as a sum of positive squares in only one way, i.e., 304502500 + 81072016 = 17450^2 + 9004^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48196811 + ... + 48196818.

It is an arithmetic number, because the mean of its divisors is an integer number (112459235).

Almost surely, 2^385574516 is an apocalyptic number.

It is an amenable number.

385574516 is a deficient number, since it is larger than the sum of its proper divisors (289180894).

385574516 is a wasteful number, since it uses less digits than its factorization.

385574516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96393633 (or 96393631 counting only the distinct ones).

The product of its digits is 504000, while the sum is 44.

The square root of 385574516 is about 19636.0514360703. The cubic root of 385574516 is about 727.8403148734.

The spelling of 385574516 in words is "three hundred eighty-five million, five hundred seventy-four thousand, five hundred sixteen".