346855398 has 16 divisors (see below), whose sum is σ = 693990720. Its totient is φ = 115571816.

The previous prime is 346855391. The next prime is 346855447. The reversal of 346855398 is 893558643.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 346855398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346855391) 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, 6661 + ... + 27167.

It is an arithmetic number, because the mean of its divisors is an integer number (43374420).

Almost surely, 2^346855398 is an apocalyptic number.

346855398 is an abundant number, since it is smaller than the sum of its proper divisors (347135322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

346855398 is a wasteful number, since it uses less digits than its factorization.

346855398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23331.

The product of its digits is 3110400, while the sum is 51.

The square root of 346855398 is about 18624.0542847147. The cubic root of 346855398 is about 702.6129539797.

The spelling of 346855398 in words is "three hundred forty-six million, eight hundred fifty-five thousand, three hundred ninety-eight".