1399682 has 8 divisors (see below), whose sum is σ = 2109456. Its totient is φ = 696532.

The previous prime is 1399679. The next prime is 1399687. The reversal of 1399682 is 2869931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1399682² = 3918219402248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1399687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088 + ... + 1995.

It is an arithmetic number, because the mean of its divisors is an integer number (263682).

2^1399682 is an apocalyptic number.

1399682 is a deficient number, since it is larger than the sum of its proper divisors (709774).

1399682 is a wasteful number, since it uses less digits than its factorization.

1399682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312.

The product of its digits is 23328, while the sum is 38.

The square root of 1399682 is about 1183.0815694617. The cubic root of 1399682 is about 111.8604234933.

It can be divided in two parts, 139968 and 2, that multiplied together give a 7-th power (279936 = 6⁷).

The spelling of 1399682 in words is "one million, three hundred ninety-nine thousand, six hundred eighty-two".