340846398 has 12 divisors (see below), whose sum is σ = 738500568. Its totient is φ = 113615460.

The previous prime is 340846327. The next prime is 340846399. The reversal of 340846398 is 893648043.

340846398 is a `hidden beast` number, since 3 + 4 + 0 + 8 + 4 + 639 + 8 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340846399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9467938 + ... + 9467973.

It is an arithmetic number, because the mean of its divisors is an integer number (61541714).

Almost surely, 2^340846398 is an apocalyptic number.

340846398 is an abundant number, since it is smaller than the sum of its proper divisors (397654170).

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

340846398 is a wasteful number, since it uses less digits than its factorization.

340846398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18935919 (or 18935916 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 340846398 is about 18462.0258368360. The cubic root of 340846398 is about 698.5318877017.

The spelling of 340846398 in words is "three hundred forty million, eight hundred forty-six thousand, three hundred ninety-eight".