16240434 has 16 divisors (see below), whose sum is σ = 37121088. Its totient is φ = 4640112.

The previous prime is 16240429. The next prime is 16240481. The reversal of 16240434 is 43404261.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193297 + ... + 193380.

It is an arithmetic number, because the mean of its divisors is an integer number (2320068).

Almost surely, 2^16240434 is an apocalyptic number.

16240434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16240434 is an abundant number, since it is smaller than the sum of its proper divisors (20880654).

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

16240434 is a wasteful number, since it uses less digits than its factorization.

16240434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386689.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 16240434 is about 4029.9421832081. The cubic root of 16240434 is about 253.2401392357.

Adding to 16240434 its reverse (43404261), we get a palindrome (59644695).

The spelling of 16240434 in words is "sixteen million, two hundred forty thousand, four hundred thirty-four".