1399382346 has 16 divisors (see below), whose sum is σ = 2889047808. Its totient is φ = 451413600.

The previous prime is 1399382329. The next prime is 1399382351. The reversal of 1399382346 is 6432839931.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1399382295 and 1399382304.

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, 3761595 + ... + 3761966.

It is an arithmetic number, because the mean of its divisors is an integer number (180565488).

Almost surely, 2^1399382346 is an apocalyptic number.

1399382346 is an abundant number, since it is smaller than the sum of its proper divisors (1489665462).

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

1399382346 is a wasteful number, since it uses less digits than its factorization.

1399382346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7523597.

The product of its digits is 839808, while the sum is 48.

The square root of 1399382346 is about 37408.3192084328. The cubic root of 1399382346 is about 1118.5244029533.

The spelling of 1399382346 in words is "one billion, three hundred ninety-nine million, three hundred eighty-two thousand, three hundred forty-six".