345127998 has 16 divisors (see below), whose sum is σ = 690633216. Its totient is φ = 114979800.

The previous prime is 345127987. The next prime is 345128039. The reversal of 345127998 is 899721543.

345127998 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×345127998² = 238226670006976008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3036 + ... + 26447.

It is an arithmetic number, because the mean of its divisors is an integer number (43164576).

Almost surely, 2^345127998 is an apocalyptic number.

345127998 is an abundant number, since it is smaller than the sum of its proper divisors (345505218).

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

345127998 is a wasteful number, since it uses less digits than its factorization.

345127998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31439.

The product of its digits is 544320, while the sum is 48.

The square root of 345127998 is about 18577.6208918150. The cubic root of 345127998 is about 701.4446342531. Note that the first 3 decimals are identical.

The spelling of 345127998 in words is "three hundred forty-five million, one hundred twenty-seven thousand, nine hundred ninety-eight".