354677321 has 4 divisors (see below), whose sum is σ = 354715332. Its totient is φ = 354639312.

The previous prime is 354677317. The next prime is 354677327. The reversal of 354677321 is 123776453.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 184009225 + 170668096 = 13565^2 + 13064^2 .

It is a cyclic number.

It is not a de Polignac number, because 354677321 - 2² = 354677317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354677327) 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, 5675 + ... + 27231.

It is an arithmetic number, because the mean of its divisors is an integer number (88678833).

Almost surely, 2^354677321 is an apocalyptic number.

It is an amenable number.

354677321 is a deficient number, since it is larger than the sum of its proper divisors (38011).

354677321 is a wasteful number, since it uses less digits than its factorization.

354677321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38010.

The product of its digits is 105840, while the sum is 38.

The square root of 354677321 is about 18832.8787231267. The cubic root of 354677321 is about 707.8552755404.

The spelling of 354677321 in words is "three hundred fifty-four million, six hundred seventy-seven thousand, three hundred twenty-one".