1390325 has 12 divisors (see below), whose sum is σ = 1815360. Its totient is φ = 1053360.

The previous prime is 1390309. The next prime is 1390331. The reversal of 1390325 is 5230931.

It is a happy number.

It is not a de Polignac number, because 1390325 - 2⁴ = 1390309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1390325.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 989 + ... + 1938.

It is an arithmetic number, because the mean of its divisors is an integer number (151280).

2^1390325 is an apocalyptic number.

It is an amenable number.

1390325 is a deficient number, since it is larger than the sum of its proper divisors (425035).

1390325 is a wasteful number, since it uses less digits than its factorization.

1390325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956 (or 2951 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 1390325 is about 1179.1204349005. The cubic root of 1390325 is about 111.6106003043.

Subtracting 1390325 from its reverse (5230931), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 1390325 in words is "one million, three hundred ninety thousand, three hundred twenty-five".