14287890 has 32 divisors (see below), whose sum is σ = 34390656. Its totient is φ = 3799040.

The previous prime is 14287879. The next prime is 14287891. The reversal of 14287890 is 9878241.

It is not an unprimeable number, because it can be changed into a prime (14287891) 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, 18859 + ... + 19601.

It is an arithmetic number, because the mean of its divisors is an integer number (1074708).

Almost surely, 2^14287890 is an apocalyptic number.

14287890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14287890 is an abundant number, since it is smaller than the sum of its proper divisors (20102766).

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

14287890 is a wasteful number, since it uses less digits than its factorization.

14287890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394.

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

The square root of 14287890 is about 3779.9325390806. The cubic root of 14287890 is about 242.6550678586.

The spelling of 14287890 in words is "fourteen million, two hundred eighty-seven thousand, eight hundred ninety".