14321904 has 20 divisors (see below), whose sum is σ = 36998376. Its totient is φ = 4773952.

The previous prime is 14321903. The next prime is 14321921. The reversal of 14321904 is 40912341.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14321903) 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, 149139 + ... + 149234.

Almost surely, 2^14321904 is an apocalyptic number.

It is an amenable number.

14321904 is an abundant number, since it is smaller than the sum of its proper divisors (22676472).

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

14321904 is a wasteful number, since it uses less digits than its factorization.

14321904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298384 (or 298378 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 14321904 is about 3784.4291511402. The cubic root of 14321904 is about 242.8474715542.

It can be divided in two parts, 14321 and 904, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 14321904 in words is "fourteen million, three hundred twenty-one thousand, nine hundred four".