1393825 has 12 divisors (see below), whose sum is σ = 1745920. Its totient is φ = 1103760.

The previous prime is 1393817. The next prime is 1393831. The reversal of 1393825 is 5283931.

It is a happy number.

It is not a de Polignac number, because 1393825 - 2³ = 1393817 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2956 + ... + 3394.

2^1393825 is an apocalyptic number.

It is an amenable number.

1393825 is a deficient number, since it is larger than the sum of its proper divisors (352095).

1393825 is a wasteful number, since it uses less digits than its factorization.

1393825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 571 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 1393825 is about 1180.6036591507. The cubic root of 1393825 is about 111.7041778881.

The spelling of 1393825 in words is "one million, three hundred ninety-three thousand, eight hundred twenty-five".