214402478 has 8 divisors (see below), whose sum is σ = 322048272. Its totient is φ = 107053056.

The previous prime is 214402459. The next prime is 214402483. The reversal of 214402478 is 874204412.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72275 + ... + 75182.

It is an arithmetic number, because the mean of its divisors is an integer number (40256034).

Almost surely, 2^214402478 is an apocalyptic number.

214402478 is a deficient number, since it is larger than the sum of its proper divisors (107645794).

214402478 is a wasteful number, since it uses less digits than its factorization.

214402478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148186.

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 214402478 is about 14642.4887911857. The cubic root of 214402478 is about 598.5171512480.

The spelling of 214402478 in words is "two hundred fourteen million, four hundred two thousand, four hundred seventy-eight".