350421438 has 16 divisors (see below), whose sum is σ = 701026560. Its totient is φ = 116776536.

The previous prime is 350421431. The next prime is 350421439. The reversal of 350421438 is 834124053.

350421438 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 not an unprimeable number, because it can be changed into a prime (350421431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39453 + ... + 47511.

It is an arithmetic number, because the mean of its divisors is an integer number (43814160).

Almost surely, 2^350421438 is an apocalyptic number.

350421438 is an abundant number, since it is smaller than the sum of its proper divisors (350605122).

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

350421438 is a wasteful number, since it uses less digits than its factorization.

350421438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15311.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 350421438 is about 18719.5469496460. The cubic root of 350421438 is about 705.0126168458.

It can be divided in two parts, 3504 and 21438, that added together give a palindrome (24942).

The spelling of 350421438 in words is "three hundred fifty million, four hundred twenty-one thousand, four hundred thirty-eight".