14678890 has 8 divisors (see below), whose sum is σ = 26422020. Its totient is φ = 5871552.

The previous prime is 14678879. The next prime is 14678891. The reversal of 14678890 is 9887641.

It can be written as a sum of positive squares in 2 ways, for example, as 14190289 + 488601 = 3767^2 + 699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (14678891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733935 + ... + 733954.

Almost surely, 2^14678890 is an apocalyptic number.

14678890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14678890 is a deficient number, since it is larger than the sum of its proper divisors (11743130).

14678890 is a wasteful number, since it uses less digits than its factorization.

14678890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467896.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 14678890 is about 3831.3039555744. The cubic root of 14678890 is about 244.8486640015.

The spelling of 14678890 in words is "fourteen million, six hundred seventy-eight thousand, eight hundred ninety".