353393393 has 4 divisors (see below), whose sum is σ = 361611888. Its totient is φ = 345174900.

The previous prime is 353393387. The next prime is 353393431. The reversal of 353393393 is 393393353.

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 a cyclic number.

It is not a de Polignac number, because 353393393 - 2¹² = 353389297 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 353393393.

It is not an unprimeable number, because it can be changed into a prime (353393353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4109183 + ... + 4109268.

It is an arithmetic number, because the mean of its divisors is an integer number (90402972).

Almost surely, 2^353393393 is an apocalyptic number.

It is an amenable number.

353393393 is a deficient number, since it is larger than the sum of its proper divisors (8218495).

353393393 is an equidigital number, since it uses as much as digits as its factorization.

353393393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8218494.

The product of its digits is 295245, while the sum is 41.

The square root of 353393393 is about 18798.7604112612. The cubic root of 353393393 is about 707.0001000302. Note that the first 3 decimals are identical.

The spelling of 353393393 in words is "three hundred fifty-three million, three hundred ninety-three thousand, three hundred ninety-three".