214781484 has 12 divisors (see below), whose sum is σ = 501156824. Its totient is φ = 71593824.

The previous prime is 214781459. The next prime is 214781513. The reversal of 214781484 is 484187412.

214781484 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×214781484² = 92262171738484512, which contains 22 as substring.

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, 8949217 + ... + 8949240.

Almost surely, 2^214781484 is an apocalyptic number.

It is an amenable number.

214781484 is an abundant number, since it is smaller than the sum of its proper divisors (286375340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214781484 is a wasteful number, since it uses less digits than its factorization.

214781484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17898464 (or 17898462 counting only the distinct ones).

The product of its digits is 57344, while the sum is 39.

The square root of 214781484 is about 14655.4250706010. The cubic root of 214781484 is about 598.8696161691.

The spelling of 214781484 in words is "two hundred fourteen million, seven hundred eighty-one thousand, four hundred eighty-four".