350349720 has 128 divisors (see below), whose sum is σ = 1212157440. Its totient is φ = 79349760.

The previous prime is 350349691. The next prime is 350349733. The reversal of 350349720 is 27943053.

It is a happy number.

350349720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93075 + ... + 96765.

It is an arithmetic number, because the mean of its divisors is an integer number (9469980).

Almost surely, 2^350349720 is an apocalyptic number.

350349720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 350349720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606078720).

350349720 is an abundant number, since it is smaller than the sum of its proper divisors (861807720).

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

350349720 is a wasteful number, since it uses less digits than its factorization.

350349720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3825 (or 3821 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 350349720 is about 18717.6312603919. The cubic root of 350349720 is about 704.9645171015.

The spelling of 350349720 in words is "three hundred fifty million, three hundred forty-nine thousand, seven hundred twenty".