387289336 has 24 divisors (see below), whose sum is σ = 844726320. Its totient is φ = 165980976.

The previous prime is 387289333. The next prime is 387289337. The reversal of 387289336 is 633982783.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 387289336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387289333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 493600 + ... + 494383.

It is an arithmetic number, because the mean of its divisors is an integer number (35196930).

Almost surely, 2^387289336 is an apocalyptic number.

It is an amenable number.

387289336 is an abundant number, since it is smaller than the sum of its proper divisors (457436984).

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

387289336 is a wasteful number, since it uses less digits than its factorization.

387289336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988003 (or 987992 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The square root of 387289336 is about 19679.6680866319. The cubic root of 387289336 is about 728.9177282129.

The spelling of 387289336 in words is "three hundred eighty-seven million, two hundred eighty-nine thousand, three hundred thirty-six".