387867236 has 6 divisors (see below), whose sum is σ = 678767670. Its totient is φ = 193933616.

The previous prime is 387867209. The next prime is 387867269. The reversal of 387867236 is 632768783.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 253446400 + 134420836 = 15920^2 + 11594^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48483401 + ... + 48483408.

It is an arithmetic number, because the mean of its divisors is an integer number (113127945).

Almost surely, 2^387867236 is an apocalyptic number.

It is an amenable number.

387867236 is a deficient number, since it is larger than the sum of its proper divisors (290900434).

387867236 is a wasteful number, since it uses less digits than its factorization.

387867236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96966813 (or 96966811 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 50.

The square root of 387867236 is about 19694.3452798005. The cubic root of 387867236 is about 729.2801034611.

The spelling of 387867236 in words is "three hundred eighty-seven million, eight hundred sixty-seven thousand, two hundred thirty-six".