1393873 has 8 divisors (see below), whose sum is σ = 1512000. Its totient is φ = 1277328.

The previous prime is 1393871. The next prime is 1393883. The reversal of 1393873 is 3783931.

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

It is not a de Polignac number, because 1393873 - 2¹ = 1393871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1393871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2028 + ... + 2626.

It is an arithmetic number, because the mean of its divisors is an integer number (189000).

2^1393873 is an apocalyptic number.

1393873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1393873 is a deficient number, since it is larger than the sum of its proper divisors (118127).

1393873 is a wasteful number, since it uses less digits than its factorization.

1393873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791.

The product of its digits is 13608, while the sum is 34.

The square root of 1393873 is about 1180.6239875591. The cubic root of 1393873 is about 111.7054601483.

The spelling of 1393873 in words is "one million, three hundred ninety-three thousand, eight hundred seventy-three".