346521361 has 8 divisors (see below), whose sum is σ = 350209224. Its totient is φ = 342850560.

The previous prime is 346521359. The next prime is 346521407. The reversal of 346521361 is 163125643.

It can be written as a sum of positive squares in 4 ways, for example, as 3136 + 346518225 = 56^2 + 18615^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 346521361 - 2¹ = 346521359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346521341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38841 + ... + 46921.

It is an arithmetic number, because the mean of its divisors is an integer number (43776153).

Almost surely, 2^346521361 is an apocalyptic number.

It is an amenable number.

346521361 is a deficient number, since it is larger than the sum of its proper divisors (3687863).

346521361 is a wasteful number, since it uses less digits than its factorization.

346521361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8531.

The product of its digits is 12960, while the sum is 31.

The square root of 346521361 is about 18615.0842329547. The cubic root of 346521361 is about 702.3873324798.

The spelling of 346521361 in words is "three hundred forty-six million, five hundred twenty-one thousand, three hundred sixty-one".