1338686830 has 32 divisors (see below), whose sum is σ = 2598964704. Its totient is φ = 493527936.

The previous prime is 1338686827. The next prime is 1338686849. The reversal of 1338686830 is 386868331.

It is a congruent number.

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, 81252 + ... + 96328.

It is an arithmetic number, because the mean of its divisors is an integer number (81217647).

Almost surely, 2^1338686830 is an apocalyptic number.

1338686830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1338686830 is a deficient number, since it is larger than the sum of its proper divisors (1260277874).

1338686830 is a wasteful number, since it uses less digits than its factorization.

1338686830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15780.

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 1338686830 is about 36588.0695035964. The cubic root of 1338686830 is about 1102.1135205402.

The spelling of 1338686830 in words is "one billion, three hundred thirty-eight million, six hundred eighty-six thousand, eight hundred thirty".