1392836 has 6 divisors (see below), whose sum is σ = 2437470. Its totient is φ = 696416.

The previous prime is 1392829. The next prime is 1392847. The reversal of 1392836 is 6382931.

It can be written as a sum of positive squares in only one way, i.e., 1308736 + 84100 = 1144^2 + 290^2 .

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 as a sum of consecutive naturals, namely, 174101 + ... + 174108.

It is an arithmetic number, because the mean of its divisors is an integer number (406245).

2^1392836 is an apocalyptic number.

It is an amenable number.

1392836 is a deficient number, since it is larger than the sum of its proper divisors (1044634).

1392836 is a wasteful number, since it uses less digits than its factorization.

1392836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348213 (or 348211 counting only the distinct ones).

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

The square root of 1392836 is about 1180.1847313027. The cubic root of 1392836 is about 111.6777514305.

The spelling of 1392836 in words is "one million, three hundred ninety-two thousand, eight hundred thirty-six".