214889644 has 24 divisors (see below), whose sum is σ = 405070848. Its totient is φ = 99456720.

The previous prime is 214889627. The next prime is 214889657. The reversal of 214889644 is 446988412.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 214889594 and 214889603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34822 + ... + 40525.

It is an arithmetic number, because the mean of its divisors is an integer number (16877952).

Almost surely, 2^214889644 is an apocalyptic number.

It is an amenable number.

214889644 is a deficient number, since it is larger than the sum of its proper divisors (190181204).

214889644 is a wasteful number, since it uses less digits than its factorization.

214889644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75405 (or 75403 counting only the distinct ones).

The product of its digits is 442368, while the sum is 46.

The square root of 214889644 is about 14659.1147072393. The cubic root of 214889644 is about 598.9701258695.

The spelling of 214889644 in words is "two hundred fourteen million, eight hundred eighty-nine thousand, six hundred forty-four".