14728890 has 32 divisors (see below), whose sum is σ = 38563776. Its totient is φ = 3570560.

The previous prime is 14728873. The next prime is 14728891. The reversal of 14728890 is 9882741.

It is not an unprimeable number, because it can be changed into a prime (14728891) 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, 21987 + ... + 22646.

It is an arithmetic number, because the mean of its divisors is an integer number (1205118).

Almost surely, 2^14728890 is an apocalyptic number.

14728890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14728890 is an abundant number, since it is smaller than the sum of its proper divisors (23834886).

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

14728890 is a wasteful number, since it uses less digits than its factorization.

14728890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44654.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 14728890 is about 3837.8236019911. The cubic root of 14728890 is about 245.1263543712.

The spelling of 14728890 in words is "fourteen million, seven hundred twenty-eight thousand, eight hundred ninety".