1393401 has 4 divisors (see below), whose sum is σ = 1857872. Its totient is φ = 928932.

The previous prime is 1393397. The next prime is 1393417. The reversal of 1393401 is 1043931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1393401 - 2² = 1393397 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1393451) by changing a digit.

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, 232231 + ... + 232236.

It is an arithmetic number, because the mean of its divisors is an integer number (464468).

2^1393401 is an apocalyptic number.

It is an amenable number.

1393401 is a deficient number, since it is larger than the sum of its proper divisors (464471).

1393401 is an equidigital number, since it uses as much as digits as its factorization.

1393401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464470.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1393401 is about 1180.4240763387. The cubic root of 1393401 is about 111.6928499775.

The spelling of 1393401 in words is "one million, three hundred ninety-three thousand, four hundred one".