214778104 has 32 divisors (see below), whose sum is σ = 411505920. Its totient is φ = 105068896.

The previous prime is 214778099. The next prime is 214778141. The reversal of 214778104 is 401877412.

It is a super-3 number, since 3×214778104³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 214778104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69537 + ... + 72559.

It is an arithmetic number, because the mean of its divisors is an integer number (12859560).

Almost surely, 2^214778104 is an apocalyptic number.

It is an amenable number.

214778104 is a deficient number, since it is larger than the sum of its proper divisors (196727816).

214778104 is a wasteful number, since it uses less digits than its factorization.

214778104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219 (or 3215 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 214778104 is about 14655.3097544883. The cubic root of 214778104 is about 598.8664746974.

The spelling of 214778104 in words is "two hundred fourteen million, seven hundred seventy-eight thousand, one hundred four".