14869890 has 48 divisors (see below), whose sum is σ = 44186688. Its totient is φ = 3398688.

The previous prime is 14869871. The next prime is 14869901. The reversal of 14869890 is 9896841.

It is a super-2 number, since 2×14869890² = 442227257224200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 11172 + ... + 12431.

It is an arithmetic number, because the mean of its divisors is an integer number (920556).

Almost surely, 2^14869890 is an apocalyptic number.

14869890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14869890 is an abundant number, since it is smaller than the sum of its proper divisors (29316798).

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

14869890 is a wasteful number, since it uses less digits than its factorization.

14869890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23623 (or 23620 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 14869890 is about 3856.1496340261. The cubic root of 14869890 is about 245.9060716163.

The spelling of 14869890 in words is "fourteen million, eight hundred sixty-nine thousand, eight hundred ninety".