1389363226 has 8 divisors (see below), whose sum is σ = 2085741504. Its totient is φ = 694116060.

The previous prime is 1389363149. The next prime is 1389363251. The reversal of 1389363226 is 6223639831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1389363226² = 3860660347522254152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279700 + ... + 284623.

It is an arithmetic number, because the mean of its divisors is an integer number (260717688).

Almost surely, 2^1389363226 is an apocalyptic number.

1389363226 is a deficient number, since it is larger than the sum of its proper divisors (696378278).

1389363226 is a wasteful number, since it uses less digits than its factorization.

1389363226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565556.

The product of its digits is 279936, while the sum is 43.

The square root of 1389363226 is about 37274.1629818833. The cubic root of 1389363226 is about 1115.8485837702.

The spelling of 1389363226 in words is "one billion, three hundred eighty-nine million, three hundred sixty-three thousand, two hundred twenty-six".