387245916 has 36 divisors (see below), whose sum is σ = 1030393000. Its totient is φ = 122287968.

The previous prime is 387245909. The next prime is 387245927. The reversal of 387245916 is 619542783.

387245916 is a `hidden beast` number, since 38 + 7 + 24 + 591 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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, 282391 + ... + 283758.

Almost surely, 2^387245916 is an apocalyptic number.

387245916 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

387245916 is an abundant number, since it is smaller than the sum of its proper divisors (643147084).

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

387245916 is a wasteful number, since it uses less digits than its factorization.

387245916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566178 (or 566173 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 387245916 is about 19678.5648866984. The cubic root of 387245916 is about 728.8904869166.

The spelling of 387245916 in words is "three hundred eighty-seven million, two hundred forty-five thousand, nine hundred sixteen".