16213434 has 32 divisors (see below), whose sum is σ = 34045440. Its totient is φ = 5140800.

The previous prime is 16213433. The next prime is 16213481. The reversal of 16213434 is 43431261.

It is not an unprimeable number, because it can be changed into a prime (16213433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10632 + ... + 12060.

It is an arithmetic number, because the mean of its divisors is an integer number (1063920).

Almost surely, 2^16213434 is an apocalyptic number.

16213434 is an abundant number, since it is smaller than the sum of its proper divisors (17832006).

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

16213434 is a wasteful number, since it uses less digits than its factorization.

16213434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526.

The product of its digits is 1728, while the sum is 24.

The square root of 16213434 is about 4026.5908657324. The cubic root of 16213434 is about 253.0997227007.

Adding to 16213434 its reverse (43431261), we get a palindrome (59644695).

The spelling of 16213434 in words is "sixteen million, two hundred thirteen thousand, four hundred thirty-four".