14420890 has 32 divisors (see below), whose sum is σ = 29237760. Its totient is φ = 5073600.

The previous prime is 14420851. The next prime is 14420891. The reversal of 14420890 is 9802441.

14420890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (14420891) 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, 1296 + ... + 5524.

It is an arithmetic number, because the mean of its divisors is an integer number (913680).

Almost surely, 2^14420890 is an apocalyptic number.

14420890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14420890 is an abundant number, since it is smaller than the sum of its proper divisors (14816870).

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

14420890 is a wasteful number, since it uses less digits than its factorization.

14420890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 14420890 is about 3797.4846938467. The cubic root of 14420890 is about 243.4056685348.

The spelling of 14420890 in words is "fourteen million, four hundred twenty thousand, eight hundred ninety".