345456988 has 12 divisors (see below), whose sum is σ = 604754640. Its totient is φ = 172669952.

The previous prime is 345456931. The next prime is 345456997. The reversal of 345456988 is 889654543.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345 + ... + 26287.

It is an arithmetic number, because the mean of its divisors is an integer number (50396220).

Almost surely, 2^345456988 is an apocalyptic number.

It is an amenable number.

345456988 is a deficient number, since it is larger than the sum of its proper divisors (259297652).

345456988 is a wasteful number, since it uses less digits than its factorization.

345456988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29276 (or 29274 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 52.

The square root of 345456988 is about 18586.4732534174. The cubic root of 345456988 is about 701.6674452918.

The spelling of 345456988 in words is "three hundred forty-five million, four hundred fifty-six thousand, nine hundred eighty-eight".