1396609234 has 4 divisors (see below), whose sum is σ = 2094913854. Its totient is φ = 698304616.

The previous prime is 1396609187. The next prime is 1396609339. The reversal of 1396609234 is 4329066931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 729162009 + 667447225 = 27003^2 + 25835^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349152307 + ... + 349152310.

Almost surely, 2^1396609234 is an apocalyptic number.

1396609234 is a deficient number, since it is larger than the sum of its proper divisors (698304620).

1396609234 is an equidigital number, since it uses as much as digits as its factorization.

1396609234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698304619.

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 1396609234 is about 37371.2353823097. The cubic root of 1396609234 is about 1117.7850661498.

The spelling of 1396609234 in words is "one billion, three hundred ninety-six million, six hundred nine thousand, two hundred thirty-four".