389251662 has 16 divisors (see below), whose sum is σ = 785780352. Its totient is φ = 128537720.

The previous prime is 389251649. The next prime is 389251673. The reversal of 389251662 is 266152983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302514 + ... + 303797.

It is an arithmetic number, because the mean of its divisors is an integer number (49111272).

Almost surely, 2^389251662 is an apocalyptic number.

389251662 is an abundant number, since it is smaller than the sum of its proper divisors (396528690).

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

389251662 is a wasteful number, since it uses less digits than its factorization.

389251662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606423.

The product of its digits is 155520, while the sum is 42.

The square root of 389251662 is about 19729.4617767439. The cubic root of 389251662 is about 730.1467535070.

The spelling of 389251662 in words is "three hundred eighty-nine million, two hundred fifty-one thousand, six hundred sixty-two".