1396635 has 16 divisors (see below), whose sum is σ = 2366496. Its totient is φ = 700928.

The previous prime is 1396627. The next prime is 1396657. The reversal of 1396635 is 5366931.

It is a cyclic number.

It is not a de Polignac number, because 1396635 - 2³ = 1396627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1396596 and 1396605.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 2484 + ... + 2993.

It is an arithmetic number, because the mean of its divisors is an integer number (147906).

2^1396635 is an apocalyptic number.

1396635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1396635 is a deficient number, since it is larger than the sum of its proper divisors (969861).

1396635 is a wasteful number, since it uses less digits than its factorization.

1396635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502.

The product of its digits is 14580, while the sum is 33.

The square root of 1396635 is about 1181.7931291051. The cubic root of 1396635 is about 111.7791940101.

The spelling of 1396635 in words is "one million, three hundred ninety-six thousand, six hundred thirty-five".