385249916 has 6 divisors (see below), whose sum is σ = 674187360. Its totient is φ = 192624956.

The previous prime is 385249913. The next prime is 385249967. The reversal of 385249916 is 619942583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385249913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48156236 + ... + 48156243.

It is an arithmetic number, because the mean of its divisors is an integer number (112364560).

Almost surely, 2^385249916 is an apocalyptic number.

It is an amenable number.

385249916 is a deficient number, since it is larger than the sum of its proper divisors (288937444).

385249916 is a wasteful number, since it uses less digits than its factorization.

385249916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96312483 (or 96312481 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 385249916 is about 19627.7842865668. The cubic root of 385249916 is about 727.6360108319.

The spelling of 385249916 in words is "three hundred eighty-five million, two hundred forty-nine thousand, nine hundred sixteen".