354438668 has 12 divisors (see below), whose sum is σ = 622931400. Its totient is φ = 176458272.

The previous prime is 354438659. The next prime is 354438683. The reversal of 354438668 is 866834453.

It is a super-2 number, since 2×354438668² = 251253538747228448, which contains 22 as substring.

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, 189218 + ... + 191081.

It is an arithmetic number, because the mean of its divisors is an integer number (51910950).

Almost surely, 2^354438668 is an apocalyptic number.

It is an amenable number.

354438668 is a deficient number, since it is larger than the sum of its proper divisors (268492732).

354438668 is a wasteful number, since it uses less digits than its factorization.

354438668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380536 (or 380534 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 47.

The square root of 354438668 is about 18826.5415836260. The cubic root of 354438668 is about 707.6964742121.

The spelling of 354438668 in words is "three hundred fifty-four million, four hundred thirty-eight thousand, six hundred sixty-eight".