350403312 has 80 divisors (see below), whose sum is σ = 1055686400. Its totient is φ = 100110528.

The previous prime is 350403307. The next prime is 350403359. The reversal of 350403312 is 213304053.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 5823 + ... + 27105.

It is an arithmetic number, because the mean of its divisors is an integer number (13196080).

Almost surely, 2^350403312 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 350403312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527843200).

350403312 is an abundant number, since it is smaller than the sum of its proper divisors (705283088).

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

350403312 is a wasteful number, since it uses less digits than its factorization.

350403312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21315 (or 21295 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 350403312 is about 18719.0627970526. The cubic root of 350403312 is about 705.0004607411. Note that the first 3 decimals are identical.

Adding to 350403312 its reverse (213304053), we get a palindrome (563707365).

The spelling of 350403312 in words is "three hundred fifty million, four hundred three thousand, three hundred twelve".