350129856 has 112 divisors (see below), whose sum is σ = 950390784. Its totient is φ = 113734656.

The previous prime is 350129831. The next prime is 350129863. The reversal of 350129856 is 658921053.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2023786 + ... + 2023958.

It is an arithmetic number, because the mean of its divisors is an integer number (8485632).

Almost surely, 2^350129856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 350129856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475195392).

350129856 is an abundant number, since it is smaller than the sum of its proper divisors (600260928).

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

350129856 is a wasteful number, since it uses less digits than its factorization.

350129856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 350129856 is about 18711.7571596042. The cubic root of 350129856 is about 704.8170180513.

The spelling of 350129856 in words is "three hundred fifty million, one hundred twenty-nine thousand, eight hundred fifty-six".