353716399 has 4 divisors (see below), whose sum is σ = 374523264. Its totient is φ = 332909536.

The previous prime is 353716397. The next prime is 353716421. The reversal of 353716399 is 993617353.

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 353716399 - 2¹ = 353716397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353716397) 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, 10403407 + ... + 10403440.

It is an arithmetic number, because the mean of its divisors is an integer number (93630816).

Almost surely, 2^353716399 is an apocalyptic number.

353716399 is a deficient number, since it is larger than the sum of its proper divisors (20806865).

353716399 is a wasteful number, since it uses less digits than its factorization.

353716399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20806864.

The product of its digits is 459270, while the sum is 46.

The square root of 353716399 is about 18807.3496006216. The cubic root of 353716399 is about 707.2154367606.

The spelling of 353716399 in words is "three hundred fifty-three million, seven hundred sixteen thousand, three hundred ninety-nine".