214728886 has 8 divisors (see below), whose sum is σ = 322631064. Its totient is φ = 107185200.

The previous prime is 214728883. The next prime is 214728911. The reversal of 214728886 is 688827412.

It is a happy number.

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

It is a super-2 number, since 2×214728886² = 92216988965601992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214728883) 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, 88120 + ... + 90523.

It is an arithmetic number, because the mean of its divisors is an integer number (40328883).

Almost surely, 2^214728886 is an apocalyptic number.

214728886 is a deficient number, since it is larger than the sum of its proper divisors (107902178).

214728886 is a wasteful number, since it uses less digits than its factorization.

214728886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179246.

The product of its digits is 344064, while the sum is 46.

The square root of 214728886 is about 14653.6304716613. The cubic root of 214728886 is about 598.8207263003.

The spelling of 214728886 in words is "two hundred fourteen million, seven hundred twenty-eight thousand, eight hundred eighty-six".