214473986 has 8 divisors (see below), whose sum is σ = 324167184. Its totient is φ = 106418260.

The previous prime is 214473967. The next prime is 214474003. The reversal of 214473986 is 689374412.

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

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 3 ways as a sum of consecutive naturals, for example, 409040 + ... + 409563.

It is an arithmetic number, because the mean of its divisors is an integer number (40520898).

Almost surely, 2^214473986 is an apocalyptic number.

214473986 is a deficient number, since it is larger than the sum of its proper divisors (109693198).

214473986 is a wasteful number, since it uses less digits than its factorization.

214473986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818736.

The product of its digits is 290304, while the sum is 44.

The square root of 214473986 is about 14644.9303856317. The cubic root of 214473986 is about 598.5836834504.

The spelling of 214473986 in words is "two hundred fourteen million, four hundred seventy-three thousand, nine hundred eighty-six".