354009663 has 24 divisors (see below), whose sum is σ = 610086960. Its totient is φ = 202290480.

The previous prime is 354009637. The next prime is 354009679. The reversal of 354009663 is 366900453.

It is not a de Polignac number, because 354009663 - 2¹⁰ = 354008639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354009613) 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, 132468 + ... + 135113.

It is an arithmetic number, because the mean of its divisors is an integer number (25420290).

Almost surely, 2^354009663 is an apocalyptic number.

354009663 is a deficient number, since it is larger than the sum of its proper divisors (256077297).

354009663 is a wasteful number, since it uses less digits than its factorization.

354009663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267604 (or 267591 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 354009663 is about 18815.1445118022. The cubic root of 354009663 is about 707.4108320326.

The spelling of 354009663 in words is "three hundred fifty-four million, nine thousand, six hundred sixty-three".