354861638 has 8 divisors (see below), whose sum is σ = 563603832. Its totient is φ = 166993696.

The previous prime is 354861631. The next prime is 354861643. The reversal of 354861638 is 836168453.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354861631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5218520 + ... + 5218587.

It is an arithmetic number, because the mean of its divisors is an integer number (70450479).

Almost surely, 2^354861638 is an apocalyptic number.

354861638 is a deficient number, since it is larger than the sum of its proper divisors (208742194).

354861638 is a wasteful number, since it uses less digits than its factorization.

354861638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10437126.

The product of its digits is 414720, while the sum is 44.

The square root of 354861638 is about 18837.7715773390. The cubic root of 354861638 is about 707.9778725782.

The spelling of 354861638 in words is "three hundred fifty-four million, eight hundred sixty-one thousand, six hundred thirty-eight".