14439870 has 40 divisors (see below), whose sum is σ = 38829384. Its totient is φ = 3850416.

The previous prime is 14439863. The next prime is 14439871. The reversal of 14439870 is 7893441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14439871) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8104 + ... + 9723.

Almost surely, 2^14439870 is an apocalyptic number.

14439870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14439870 is an abundant number, since it is smaller than the sum of its proper divisors (24389514).

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

14439870 is a wasteful number, since it uses less digits than its factorization.

14439870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17846 (or 17837 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 14439870 is about 3799.9828946983. The cubic root of 14439870 is about 243.5124075380.

The spelling of 14439870 in words is "fourteen million, four hundred thirty-nine thousand, eight hundred seventy".