1393842 has 8 divisors (see below), whose sum is σ = 2787696. Its totient is φ = 464612.

The previous prime is 1393837. The next prime is 1393871. The reversal of 1393842 is 2483931.

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

1393842 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116148 + ... + 116159.

It is an arithmetic number, because the mean of its divisors is an integer number (348462).

2^1393842 is an apocalyptic number.

1393842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1393842 is a wasteful number, since it uses less digits than its factorization.

1393842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232312.

The product of its digits is 5184, while the sum is 30.

The square root of 1393842 is about 1180.6108588354. The cubic root of 1393842 is about 111.7046320253.

The spelling of 1393842 in words is "one million, three hundred ninety-three thousand, eight hundred forty-two".