214531434 has 96 divisors (see below), whose sum is σ = 522849600. Its totient is φ = 63141120.

The previous prime is 214531433. The next prime is 214531481. The reversal of 214531434 is 434135412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 214531398 and 214531407.

It is not an unprimeable number, because it can be changed into a prime (214531433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 565857 + ... + 566235.

It is an arithmetic number, because the mean of its divisors is an integer number (5446350).

Almost surely, 2^214531434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214531434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261424800).

214531434 is an abundant number, since it is smaller than the sum of its proper divisors (308318166).

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

214531434 is a wasteful number, since it uses less digits than its factorization.

214531434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 497 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 214531434 is about 14646.8916156296. The cubic root of 214531434 is about 598.6371232891.

Adding to 214531434 its reverse (434135412), we get a palindrome (648666846).

The spelling of 214531434 in words is "two hundred fourteen million, five hundred thirty-one thousand, four hundred thirty-four".