1392046 has 16 divisors (see below), whose sum is σ = 2177280. Its totient is φ = 667000.

The previous prime is 1392007. The next prime is 1392089. The reversal of 1392046 is 6402931.

It is a super-2 number, since 2×1392046² = 3875584132232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1392046.

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 7 ways as a sum of consecutive naturals, for example, 5421 + ... + 5671.

It is an arithmetic number, because the mean of its divisors is an integer number (136080).

2^1392046 is an apocalyptic number.

1392046 is a deficient number, since it is larger than the sum of its proper divisors (785234).

1392046 is a wasteful number, since it uses less digits than its factorization.

1392046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1392046 is about 1179.8499904649. The cubic root of 1392046 is about 111.6566333403.

Adding to 1392046 its reverse (6402931), we get a palindrome (7794977).

The spelling of 1392046 in words is "one million, three hundred ninety-two thousand, forty-six".