1399676 has 6 divisors (see below), whose sum is σ = 2449440. Its totient is φ = 699836.

The previous prime is 1399663. The next prime is 1399679. The reversal of 1399676 is 6769931.

It is a happy number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174956 + ... + 174963.

It is an arithmetic number, because the mean of its divisors is an integer number (408240).

2^1399676 is an apocalyptic number.

It is an amenable number.

1399676 is a deficient number, since it is larger than the sum of its proper divisors (1049764).

1399676 is a wasteful number, since it uses less digits than its factorization.

1399676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349923 (or 349921 counting only the distinct ones).

The product of its digits is 61236, while the sum is 41.

The square root of 1399676 is about 1183.0790337082. The cubic root of 1399676 is about 111.8602636562.

The spelling of 1399676 in words is "one million, three hundred ninety-nine thousand, six hundred seventy-six".