214540432 has 20 divisors (see below), whose sum is σ = 421878256. Its totient is φ = 105668640.

The previous prime is 214540411. The next prime is 214540433. The reversal of 214540432 is 234045412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 214540397 and 214540406.

It is not an unprimeable number, because it can be changed into a prime (214540433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98994 + ... + 101137.

Almost surely, 2^214540432 is an apocalyptic number.

It is an amenable number.

214540432 is a deficient number, since it is larger than the sum of its proper divisors (207337824).

214540432 is a wasteful number, since it uses less digits than its factorization.

214540432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200206 (or 200200 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 214540432 is about 14647.1987765579. The cubic root of 214540432 is about 598.6454926322.

Adding to 214540432 its reverse (234045412), we get a palindrome (448585844).

The spelling of 214540432 in words is "two hundred fourteen million, five hundred forty thousand, four hundred thirty-two".