354303999 has 24 divisors (see below), whose sum is σ = 585653120. Its totient is φ = 202192848.

The previous prime is 354303997. The next prime is 354304007. The reversal of 354303999 is 999303453.

It is not a de Polignac number, because 354303999 - 2¹ = 354303997 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 (354303997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50844 + ... + 57390.

Almost surely, 2^354303999 is an apocalyptic number.

354303999 is a deficient number, since it is larger than the sum of its proper divisors (231349121).

354303999 is a wasteful number, since it uses less digits than its factorization.

354303999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7419 (or 7416 counting only the distinct ones).

The product of its (nonzero) digits is 393660, while the sum is 45.

The square root of 354303999 is about 18822.9646708482. The cubic root of 354303999 is about 707.6068330809.

It can be divided in two parts, 35 and 4303999, that added together give a palindrome (4304034).

The spelling of 354303999 in words is "three hundred fifty-four million, three hundred three thousand, nine hundred ninety-nine".