1389375396 has 48 divisors (see below), whose sum is σ = 3611596800. Its totient is φ = 461902176.

The previous prime is 1389375353. The next prime is 1389375401. The reversal of 1389375396 is 6935739831.

1389375396 is a `hidden beast` number, since 13 + 8 + 93 + 7 + 539 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24570 + ... + 58158.

It is an arithmetic number, because the mean of its divisors is an integer number (75241600).

Almost surely, 2^1389375396 is an apocalyptic number.

It is an amenable number.

1389375396 is an abundant number, since it is smaller than the sum of its proper divisors (2222221404).

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

1389375396 is a wasteful number, since it uses less digits than its factorization.

1389375396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33985 (or 33977 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 1389375396 is about 37274.3262313352. The cubic root of 1389375396 is about 1115.8518418185.

The spelling of 1389375396 in words is "one billion, three hundred eighty-nine million, three hundred seventy-five thousand, three hundred ninety-six".