14949890 has 8 divisors (see below), whose sum is σ = 26909820. Its totient is φ = 5979952.

The previous prime is 14949863. The next prime is 14949899. The reversal of 14949890 is 9894941.

It can be written as a sum of positive squares in 2 ways, for example, as 14876449 + 73441 = 3857^2 + 271^2 .

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

It is a super-2 number, since 2×14949890² = 446998422024200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14949899) 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, 747485 + ... + 747504.

Almost surely, 2^14949890 is an apocalyptic number.

14949890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14949890 is a deficient number, since it is larger than the sum of its proper divisors (11959930).

14949890 is a wasteful number, since it uses less digits than its factorization.

14949890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494996.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 14949890 is about 3866.5087611436. The cubic root of 14949890 is about 246.3462746368.

The spelling of 14949890 in words is "fourteen million, nine hundred forty-nine thousand, eight hundred ninety".