345947898 has 16 divisors (see below), whose sum is σ = 693069696. Its totient is φ = 115120320.

The previous prime is 345947893. The next prime is 345947929. The reversal of 345947898 is 898749543.

It is not an unprimeable number, because it can be changed into a prime (345947893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45058 + ... + 52173.

It is an arithmetic number, because the mean of its divisors is an integer number (43316856).

Almost surely, 2^345947898 is an apocalyptic number.

345947898 is an abundant number, since it is smaller than the sum of its proper divisors (347121798).

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

345947898 is a wasteful number, since it uses less digits than its factorization.

345947898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97829.

The product of its digits is 8709120, while the sum is 57.

The square root of 345947898 is about 18599.6746745743. The cubic root of 345947898 is about 701.9996550351. Note that the first 3 decimals are identical.

The spelling of 345947898 in words is "three hundred forty-five million, nine hundred forty-seven thousand, eight hundred ninety-eight".