1396832 has 12 divisors (see below), whose sum is σ = 2750076. Its totient is φ = 698400.

The previous prime is 1396819. The next prime is 1396841. The reversal of 1396832 is 2386931.

It is a super-2 number, since 2×1396832² = 3902279272448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 43651 = 1396832 / (1 + 3 + 9 + 6 + 8 + 3 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21794 + ... + 21857.

It is an arithmetic number, because the mean of its divisors is an integer number (229173).

2^1396832 is an apocalyptic number.

It is an amenable number.

1396832 is a deficient number, since it is larger than the sum of its proper divisors (1353244).

1396832 is an equidigital number, since it uses as much as digits as its factorization.

1396832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43661 (or 43653 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 1396832 is about 1181.8764740869. The cubic root of 1396832 is about 111.7844493718.

Subtracting 1396832 from its reverse (2386931), we obtain a palindrome (990099).

The spelling of 1396832 in words is "one million, three hundred ninety-six thousand, eight hundred thirty-two".