1392923 has 16 divisors (see below), whose sum is σ = 1689600. Its totient is φ = 1146600.

The previous prime is 1392901. The next prime is 1392943. The reversal of 1392923 is 3292931.

It is not a de Polignac number, because 1392923 - 2¹⁰ = 1391899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1392943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10568 + ... + 10698.

It is an arithmetic number, because the mean of its divisors is an integer number (105600).

2^1392923 is an apocalyptic number.

1392923 is a deficient number, since it is larger than the sum of its proper divisors (296677).

1392923 is an equidigital number, since it uses as much as digits as its factorization.

1392923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 169 counting only the distinct ones).

The product of its digits is 2916, while the sum is 29.

The square root of 1392923 is about 1180.2215893636. The cubic root of 1392923 is about 111.6800766054.

The spelling of 1392923 in words is "one million, three hundred ninety-two thousand, nine hundred twenty-three".