350521424 has 80 divisors (see below), whose sum is σ = 801228480. Its totient is φ = 146810880.

The previous prime is 350521411. The next prime is 350521447. The reversal of 350521424 is 424125053.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 350521393 and 350521402.

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, 122312 + ... + 125144.

It is an arithmetic number, because the mean of its divisors is an integer number (10015356).

Almost surely, 2^350521424 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 350521424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400614240).

350521424 is an abundant number, since it is smaller than the sum of its proper divisors (450707056).

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

350521424 is a wasteful number, since it uses less digits than its factorization.

350521424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908 (or 2902 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 350521424 is about 18722.2173900422. The cubic root of 350521424 is about 705.0796643877.

Adding to 350521424 its reverse (424125053), we get a palindrome (774646477).

The spelling of 350521424 in words is "three hundred fifty million, five hundred twenty-one thousand, four hundred twenty-four".