354775689 has 6 divisors (see below), whose sum is σ = 512453786. Its totient is φ = 236517120.

The previous prime is 354775679. The next prime is 354775717. The reversal of 354775689 is 986577453.

354775689 is a `hidden beast` number, since 3 + 5 + 4 + 77 + 568 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 179345664 + 175430025 = 13392^2 + 13245^2 .

It is a de Polignac number, because none of the positive numbers 2^k-354775689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354775679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19709752 + ... + 19709769.

Almost surely, 2^354775689 is an apocalyptic number.

It is an amenable number.

354775689 is a deficient number, since it is larger than the sum of its proper divisors (157678097).

354775689 is a wasteful number, since it uses less digits than its factorization.

354775689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39419527 (or 39419524 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The square root of 354775689 is about 18835.4901449365. The cubic root of 354775689 is about 707.9207095442.

The spelling of 354775689 in words is "three hundred fifty-four million, seven hundred seventy-five thousand, six hundred eighty-nine".