387030889 has 16 divisors (see below), whose sum is σ = 452880000. Its totient is φ = 323913600.

The previous prime is 387030883. The next prime is 387030901. The reversal of 387030889 is 988030783.

It is a cyclic number.

It is not a de Polignac number, because 387030889 - 2³ = 387030881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387030881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47862 + ... + 55360.

It is an arithmetic number, because the mean of its divisors is an integer number (28305000).

Almost surely, 2^387030889 is an apocalyptic number.

It is an amenable number.

387030889 is a deficient number, since it is larger than the sum of its proper divisors (65849111).

387030889 is a wasteful number, since it uses less digits than its factorization.

387030889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7680.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 387030889 is about 19673.1006452974. The cubic root of 387030889 is about 728.7555509955.

The spelling of 387030889 in words is "three hundred eighty-seven million, thirty thousand, eight hundred eighty-nine".