1399089296 has 40 divisors (see below), whose sum is σ = 2959685568. Its totient is φ = 635408000.

The previous prime is 1399089281. The next prime is 1399089313. The reversal of 1399089296 is 6929809931.

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, 263306 + ... + 268566.

Almost surely, 2^1399089296 is an apocalyptic number.

1399089296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1399089296 is an abundant number, since it is smaller than the sum of its proper divisors (1560596272).

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

1399089296 is a wasteful number, since it uses less digits than its factorization.

1399089296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6791 (or 6785 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 56.

The square root of 1399089296 is about 37404.4020938713. The cubic root of 1399089296 is about 1118.4463193472.

The spelling of 1399089296 in words is "one billion, three hundred ninety-nine million, eighty-nine thousand, two hundred ninety-six".