14557890 has 16 divisors (see below), whose sum is σ = 34939008. Its totient is φ = 3882096.

The previous prime is 14557889. The next prime is 14557901. The reversal of 14557890 is 9875541.

It is a super-2 number, since 2×14557890² = 423864322504200, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 242602 + ... + 242661.

It is an arithmetic number, because the mean of its divisors is an integer number (2183688).

Almost surely, 2^14557890 is an apocalyptic number.

14557890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14557890 is an abundant number, since it is smaller than the sum of its proper divisors (20381118).

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

14557890 is a wasteful number, since it uses less digits than its factorization.

14557890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485273.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 14557890 is about 3815.4803105245. The cubic root of 14557890 is about 244.1740337728.

The spelling of 14557890 in words is "fourteen million, five hundred fifty-seven thousand, eight hundred ninety".