350431620 has 192 divisors, whose sum is σ = 1237082112. Its totient is φ = 72000000.

The previous prime is 350431619. The next prime is 350431651. The reversal of 350431620 is 26134053.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 466245 + ... + 466995.

It is an arithmetic number, because the mean of its divisors is an integer number (6443136).

Almost surely, 2^350431620 is an apocalyptic number.

350431620 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 350431620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618541056).

350431620 is an abundant number, since it is smaller than the sum of its proper divisors (886650492).

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

350431620 is a wasteful number, since it uses less digits than its factorization.

350431620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 350431620 is about 18719.8189093805. The cubic root of 350431620 is about 705.0194451656.

Adding to 350431620 its reverse (26134053), we get a palindrome (376565673).

It can be divided in two parts, 35043 and 1620, that added together give a palindrome (36663).

The spelling of 350431620 in words is "three hundred fifty million, four hundred thirty-one thousand, six hundred twenty".