373391 has 4 divisors (see below), whose sum is σ = 379032. Its totient is φ = 367752.

The previous prime is 373379. The next prime is 373393. The reversal of 373391 is 193373.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 373391 - 2⁶ = 373327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 373391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (373393) 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, 2720 + ... + 2853.

It is an arithmetic number, because the mean of its divisors is an integer number (94758).

2³⁷³³⁹¹ is an apocalyptic number.

373391 is a deficient number, since it is larger than the sum of its proper divisors (5641).

373391 is an equidigital number, since it uses as much as digits as its factorization.

373391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640.

The product of its digits is 1701, while the sum is 26.

The square root of 373391 is about 611.0572804574. The cubic root of 373391 is about 72.0091937848.

The spelling of 373391 in words is "three hundred seventy-three thousand, three hundred ninety-one".