346897621 has 8 divisors (see below), whose sum is σ = 398510144. Its totient is φ = 295799040.

The previous prime is 346897613. The next prime is 346897651. The reversal of 346897621 is 126798643.

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 346897621 - 2³ = 346897613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346897601) 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, 127035 + ... + 129736.

It is an arithmetic number, because the mean of its divisors is an integer number (49813768).

Almost surely, 2^346897621 is an apocalyptic number.

It is an amenable number.

346897621 is a deficient number, since it is larger than the sum of its proper divisors (51612523).

346897621 is a wasteful number, since it uses less digits than its factorization.

346897621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256971.

The product of its digits is 435456, while the sum is 46.

The square root of 346897621 is about 18625.1878111336. The cubic root of 346897621 is about 702.6414627120.

The spelling of 346897621 in words is "three hundred forty-six million, eight hundred ninety-seven thousand, six hundred twenty-one".