373993 has 4 divisors (see below), whose sum is σ = 377728. Its totient is φ = 370260.

The previous prime is 373987. The next prime is 373999. The reversal of 373993 is 399373.

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 an interprime number because it is at equal distance from previous prime (373987) and next prime (373999).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-373993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (373999) 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, 1713 + ... + 1918.

It is an arithmetic number, because the mean of its divisors is an integer number (94432).

2³⁷³⁹⁹³ is an apocalyptic number.

It is an amenable number.

373993 is a deficient number, since it is larger than the sum of its proper divisors (3735).

373993 is a wasteful number, since it uses less digits than its factorization.

373993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734.

The product of its digits is 15309, while the sum is 34.

The square root of 373993 is about 611.5496709181. The cubic root of 373993 is about 72.0478719700.

It can be divided in two parts, 37 and 3993, that multiplied together give a palindrome (147741).

The spelling of 373993 in words is "three hundred seventy-three thousand, nine hundred ninety-three".