350650820 has 48 divisors (see below), whose sum is σ = 800350320. Its totient is φ = 128272896.

The previous prime is 350650777. The next prime is 350650843. The reversal of 350650820 is 28056053.

It can be written as a sum of positive squares in 8 ways, for example, as 8844676 + 341806144 = 2974^2 + 18488^2 .

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, 22154 + ... + 34526.

It is an arithmetic number, because the mean of its divisors is an integer number (16673965).

Almost surely, 2^350650820 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 350650820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400175160).

350650820 is an abundant number, since it is smaller than the sum of its proper divisors (449699500).

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

350650820 is a wasteful number, since it uses less digits than its factorization.

350650820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12504 (or 12502 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 350650820 is about 18725.6727515996. The cubic root of 350650820 is about 705.1664144480.

The spelling of 350650820 in words is "three hundred fifty million, six hundred fifty thousand, eight hundred twenty".