354296666 has 8 divisors (see below), whose sum is σ = 531927540. Its totient is φ = 176987488.

The previous prime is 354296647. The next prime is 354296687. The reversal of 354296666 is 666692453.

It can be written as a sum of positive squares in 2 ways, for example, as 263380441 + 90916225 = 16229^2 + 9535^2 .

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

It is a super-2 number, since 2×354296666² = 251052255077431112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 354296666.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77651 + ... + 82086.

Almost surely, 2^354296666 is an apocalyptic number.

354296666 is a deficient number, since it is larger than the sum of its proper divisors (177630874).

354296666 is a wasteful number, since it uses less digits than its factorization.

354296666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160848.

The product of its digits is 1399680, while the sum is 47.

The square root of 354296666 is about 18822.7698811838. The cubic root of 354296666 is about 707.6019512876.

The spelling of 354296666 in words is "three hundred fifty-four million, two hundred ninety-six thousand, six hundred sixty-six".