340840898 has 16 divisors (see below), whose sum is σ = 522872064. Its totient is φ = 166560480.

The previous prime is 340840891. The next prime is 340840931. The reversal of 340840898 is 898048043.

It is not an unprimeable number, because it can be changed into a prime (340840891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78443 + ... + 82673.

It is an arithmetic number, because the mean of its divisors is an integer number (32679504).

Almost surely, 2^340840898 is an apocalyptic number.

340840898 is a deficient number, since it is larger than the sum of its proper divisors (182031166).

340840898 is a wasteful number, since it uses less digits than its factorization.

340840898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137.

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 340840898 is about 18461.8768818341. The cubic root of 340840898 is about 698.5281304413.

The spelling of 340840898 in words is "three hundred forty million, eight hundred forty thousand, eight hundred ninety-eight".