1389401304 has 32 divisors (see below), whose sum is σ = 3476966640. Its totient is φ = 462672000.

The previous prime is 1389401303. The next prime is 1389401341. The reversal of 1389401304 is 4031049831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389401303) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 3847 + ... + 52854.

Almost surely, 2^1389401304 is an apocalyptic number.

It is an amenable number.

1389401304 is an abundant number, since it is smaller than the sum of its proper divisors (2087565336).

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

1389401304 is a wasteful number, since it uses less digits than its factorization.

1389401304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57731 (or 57727 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1389401304 is about 37274.6737611478. The cubic root of 1389401304 is about 1115.8587776234.

The spelling of 1389401304 in words is "one billion, three hundred eighty-nine million, four hundred one thousand, three hundred four".