346864489 has 8 divisors (see below), whose sum is σ = 355586112. Its totient is φ = 338223600.

The previous prime is 346864477. The next prime is 346864493. The reversal of 346864489 is 984468643.

It is a happy number.

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 346864489 - 2¹³ = 346856297 is a prime.

It is a super-2 number, since 2×346864489² = 240629947458462242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346864429) 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, 11437 + ... + 28714.

It is an arithmetic number, because the mean of its divisors is an integer number (44448264).

Almost surely, 2^346864489 is an apocalyptic number.

It is an amenable number.

346864489 is a deficient number, since it is larger than the sum of its proper divisors (8721623).

346864489 is a wasteful number, since it uses less digits than its factorization.

346864489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40367.

The product of its digits is 3981312, while the sum is 52.

The square root of 346864489 is about 18624.2983491996. The cubic root of 346864489 is about 702.6190923672.

The spelling of 346864489 in words is "three hundred forty-six million, eight hundred sixty-four thousand, four hundred eighty-nine".