354474661 has 4 divisors (see below), whose sum is σ = 354886272. Its totient is φ = 354063052.

The previous prime is 354474619. The next prime is 354474713. The reversal of 354474661 is 166474453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 166474453 = 9049 ⋅18397.

It is a cyclic number.

It is not a de Polignac number, because 354474661 - 2⁹ = 354474149 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354474061) 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 3 ways as a sum of consecutive naturals, for example, 204511 + ... + 206236.

It is an arithmetic number, because the mean of its divisors is an integer number (88721568).

Almost surely, 2^354474661 is an apocalyptic number.

It is an amenable number.

354474661 is a deficient number, since it is larger than the sum of its proper divisors (411611).

354474661 is an equidigital number, since it uses as much as digits as its factorization.

354474661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411610.

The product of its digits is 241920, while the sum is 40.

The square root of 354474661 is about 18827.4974704553. The cubic root of 354474661 is about 707.7204287627.

The spelling of 354474661 in words is "three hundred fifty-four million, four hundred seventy-four thousand, six hundred sixty-one".