1390833 has 12 divisors (see below), whose sum is σ = 2096640. Its totient is φ = 886776.

The previous prime is 1390813. The next prime is 1390841. The reversal of 1390833 is 3380931.

It is not a de Polignac number, because 1390833 - 2⁵ = 1390801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1390797 and 1390806.

It is not an unprimeable number, because it can be changed into a prime (1390813) 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 11 ways as a sum of consecutive naturals, for example, 3153 + ... + 3566.

It is an arithmetic number, because the mean of its divisors is an integer number (174720).

2^1390833 is an apocalyptic number.

It is an amenable number.

1390833 is a deficient number, since it is larger than the sum of its proper divisors (705807).

1390833 is a wasteful number, since it uses less digits than its factorization.

1390833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6748 (or 6745 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1390833 is about 1179.3358300332. The cubic root of 1390833 is about 111.6241921577.

The spelling of 1390833 in words is "one million, three hundred ninety thousand, eight hundred thirty-three".