1392394 has 8 divisors (see below), whose sum is σ = 2119968. Its totient is φ = 685740.

The previous prime is 1392379. The next prime is 1392407. The reversal of 1392394 is 4932931.

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

It is a super-2 number, since 2×1392394² = 3877522102472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5062 + ... + 5329.

It is an arithmetic number, because the mean of its divisors is an integer number (264996).

2^1392394 is an apocalyptic number.

1392394 is a deficient number, since it is larger than the sum of its proper divisors (727574).

1392394 is a wasteful number, since it uses less digits than its factorization.

1392394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10460.

The product of its digits is 5832, while the sum is 31.

The square root of 1392394 is about 1179.9974576244. The cubic root of 1392394 is about 111.6659369770.

The spelling of 1392394 in words is "one million, three hundred ninety-two thousand, three hundred ninety-four".