1392992 has 24 divisors (see below), whose sum is σ = 2776032. Its totient is φ = 688000.

The previous prime is 1392983. The next prime is 1393003. The reversal of 1392992 is 2992931.

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 in 3 ways as a sum of consecutive naturals, for example, 3017 + ... + 3447.

It is an arithmetic number, because the mean of its divisors is an integer number (115668).

2^1392992 is an apocalyptic number.

It is an amenable number.

1392992 is a deficient number, since it is larger than the sum of its proper divisors (1383040).

1392992 is a wasteful number, since it uses less digits than its factorization.

1392992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 534 counting only the distinct ones).

The product of its digits is 8748, while the sum is 35.

The square root of 1392992 is about 1180.2508208004. The cubic root of 1392992 is about 111.6819206409.

The spelling of 1392992 in words is "one million, three hundred ninety-two thousand, nine hundred ninety-two".