354441681 has 24 divisors (see below), whose sum is σ = 560678976. Its totient is φ = 213980640.

The previous prime is 354441667. The next prime is 354441691. The reversal of 354441681 is 186144453.

It is not a de Polignac number, because 354441681 - 2⁵ = 354441649 is a prime.

It is a super-2 number, since 2×354441681² = 251257810460211522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (354441691) 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, 19231 + ... + 32843.

It is an arithmetic number, because the mean of its divisors is an integer number (23361624).

Almost surely, 2^354441681 is an apocalyptic number.

It is an amenable number.

354441681 is a deficient number, since it is larger than the sum of its proper divisors (206237295).

354441681 is a wasteful number, since it uses less digits than its factorization.

354441681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13893 (or 13890 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 354441681 is about 18826.6216034635. The cubic root of 354441681 is about 707.6984795270.

The spelling of 354441681 in words is "three hundred fifty-four million, four hundred forty-one thousand, six hundred eighty-one".