389743398 has 24 divisors (see below), whose sum is σ = 921212136. Its totient is φ = 118104000.

The previous prime is 389743391. The next prime is 389743399. The reversal of 389743398 is 893347983.

389743398 is a `hidden beast` number, since 38 + 97 + 433 + 98 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389743391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 984003 + ... + 984398.

It is an arithmetic number, because the mean of its divisors is an integer number (38383839).

Almost surely, 2^389743398 is an apocalyptic number.

389743398 is an abundant number, since it is smaller than the sum of its proper divisors (531468738).

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

389743398 is a wasteful number, since it uses less digits than its factorization.

389743398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968420 (or 1968417 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 389743398 is about 19741.9198154587. The cubic root of 389743398 is about 730.4540854084.

The spelling of 389743398 in words is "three hundred eighty-nine million, seven hundred forty-three thousand, three hundred ninety-eight".