1392494 has 8 divisors (see below), whose sum is σ = 2112480. Its totient is φ = 688336.

The previous prime is 1392481. The next prime is 1392497. The reversal of 1392494 is 4942931.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1392494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3734 + ... + 4089.

It is an arithmetic number, because the mean of its divisors is an integer number (264060).

2^1392494 is an apocalyptic number.

1392494 is a deficient number, since it is larger than the sum of its proper divisors (719986).

1392494 is an equidigital number, since it uses as much as digits as its factorization.

1392494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7914.

The product of its digits is 7776, while the sum is 32.

The square root of 1392494 is about 1180.0398298363. The cubic root of 1392494 is about 111.6686101491.

The spelling of 1392494 in words is "one million, three hundred ninety-two thousand, four hundred ninety-four".