14034640 has 20 divisors (see below), whose sum is σ = 32630724. Its totient is φ = 5613824.

The previous prime is 14034617. The next prime is 14034649. The reversal of 14034640 is 4643041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3640464 + 10394176 = 1908^2 + 3224^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×14034640² = 393942239859200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14034649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87637 + ... + 87796.

Almost surely, 2^14034640 is an apocalyptic number.

14034640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14034640 is an abundant number, since it is smaller than the sum of its proper divisors (18596084).

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

14034640 is a wasteful number, since it uses less digits than its factorization.

14034640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175446 (or 175440 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 14034640 is about 3746.2834916754. The cubic root of 14034640 is about 241.2128420493.

Adding to 14034640 its reverse (4643041), we get a palindrome (18677681).

The spelling of 14034640 in words is "fourteen million, thirty-four thousand, six hundred forty".