1394732306 has 16 divisors (see below), whose sum is σ = 2313556128. Its totient is φ = 625284000.

The previous prime is 1394732291. The next prime is 1394732323. The reversal of 1394732306 is 6032374931.

It is a self number, because there is not a number n which added to its sum of digits gives 1394732306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432620 + ... + 435831.

It is an arithmetic number, because the mean of its divisors is an integer number (144597258).

Almost surely, 2^1394732306 is an apocalyptic number.

1394732306 is a deficient number, since it is larger than the sum of its proper divisors (918823822).

1394732306 is a wasteful number, since it uses less digits than its factorization.

1394732306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868537.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 1394732306 is about 37346.1150054460. The cubic root of 1394732306 is about 1117.2841045858.

The spelling of 1394732306 in words is "one billion, three hundred ninety-four million, seven hundred thirty-two thousand, three hundred six".