1396799 has 4 divisors (see below), whose sum is σ = 1414560. Its totient is φ = 1379040.

The previous prime is 1396789. The next prime is 1396817. The reversal of 1396799 is 9976931.

1396799 = 92² + 93² + ... + 170².

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9976931 = 1949 ⋅5119.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1396799 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8762 + ... + 8919.

It is an arithmetic number, because the mean of its divisors is an integer number (353640).

2^1396799 is an apocalyptic number.

1396799 is a deficient number, since it is larger than the sum of its proper divisors (17761).

1396799 is an equidigital number, since it uses as much as digits as its factorization.

1396799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17760.

The product of its digits is 91854, while the sum is 44.

The square root of 1396799 is about 1181.8625131546. The cubic root of 1396799 is about 111.7835690665.

The spelling of 1396799 in words is "one million, three hundred ninety-six thousand, seven hundred ninety-nine".