389028754 has 4 divisors (see below), whose sum is σ = 583543134. Its totient is φ = 194514376.

The previous prime is 389028737. The next prime is 389028779. The reversal of 389028754 is 457820983.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 379275625 + 9753129 = 19475^2 + 3123^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97257187 + ... + 97257190.

Almost surely, 2^389028754 is an apocalyptic number.

389028754 is a deficient number, since it is larger than the sum of its proper divisors (194514380).

389028754 is a wasteful number, since it uses less digits than its factorization.

389028754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194514379.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 389028754 is about 19723.8118526820. The cubic root of 389028754 is about 730.0073521496.

The spelling of 389028754 in words is "three hundred eighty-nine million, twenty-eight thousand, seven hundred fifty-four".