354340566 has 12 divisors (see below), whose sum is σ = 767737932. Its totient is φ = 118113516.

The previous prime is 354340559. The next prime is 354340577. The reversal of 354340566 is 665043453.

354340566 is a `hidden beast` number, since 3 + 54 + 3 + 40 + 566 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 354340566.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9842776 + ... + 9842811.

It is an arithmetic number, because the mean of its divisors is an integer number (63978161).

Almost surely, 2^354340566 is an apocalyptic number.

354340566 is an abundant number, since it is smaller than the sum of its proper divisors (413397366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

354340566 is a wasteful number, since it uses less digits than its factorization.

354340566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19685595 (or 19685592 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The square root of 354340566 is about 18823.9359858665. The cubic root of 354340566 is about 707.6311758007.

The spelling of 354340566 in words is "three hundred fifty-four million, three hundred forty thousand, five hundred sixty-six".