353944393 has 8 divisors (see below), whose sum is σ = 386570016. Its totient is φ = 321393600.

The previous prime is 353944379. The next prime is 353944427. The reversal of 353944393 is 393449353.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 353944393 - 2²⁵ = 320389961 is a prime.

It is a super-2 number, since 2×353944393² = 250553266672276898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (353944373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8571 + ... + 27952.

It is an arithmetic number, because the mean of its divisors is an integer number (48321252).

Almost surely, 2^353944393 is an apocalyptic number.

It is an amenable number.

353944393 is a deficient number, since it is larger than the sum of its proper divisors (32625623).

353944393 is a wasteful number, since it uses less digits than its factorization.

353944393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37415.

The product of its digits is 524880, while the sum is 43.

The square root of 353944393 is about 18813.4099248382. The cubic root of 353944393 is about 707.3673534238.

The spelling of 353944393 in words is "three hundred fifty-three million, nine hundred forty-four thousand, three hundred ninety-three".