383374393 has 4 divisors (see below), whose sum is σ = 383898148. Its totient is φ = 382850640.

The previous prime is 383374363. The next prime is 383374417. The reversal of 383374393 is 393473383.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 393473383 = 7669 ⋅51307.

It can be written as a sum of positive squares in 2 ways, for example, as 362826304 + 20548089 = 19048^2 + 4533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-383374393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (383374333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260778 + ... + 262243.

It is an arithmetic number, because the mean of its divisors is an integer number (95974537).

Almost surely, 2^383374393 is an apocalyptic number.

It is an amenable number.

383374393 is a deficient number, since it is larger than the sum of its proper divisors (523755).

383374393 is an equidigital number, since it uses as much as digits as its factorization.

383374393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523754.

The product of its digits is 489888, while the sum is 43.

The square root of 383374393 is about 19579.9487486561. The cubic root of 383374393 is about 726.4532991897.

The spelling of 383374393 in words is "three hundred eighty-three million, three hundred seventy-four thousand, three hundred ninety-three".