214421860 has 24 divisors (see below), whose sum is σ = 452261880. Its totient is φ = 85392384.

The previous prime is 214421839. The next prime is 214421863. The reversal of 214421860 is 68124412.

214421860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 91699776 + 122722084 = 9576^2 + 11078^2 .

It is not an unprimeable number, because it can be changed into a prime (214421863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18829 + ... + 27988.

It is an arithmetic number, because the mean of its divisors is an integer number (18844245).

Almost surely, 2^214421860 is an apocalyptic number.

214421860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214421860 is an abundant number, since it is smaller than the sum of its proper divisors (237840020).

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

214421860 is a wasteful number, since it uses less digits than its factorization.

214421860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47055 (or 47053 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 214421860 is about 14643.1506172681. The cubic root of 214421860 is about 598.5351860362.

The spelling of 214421860 in words is "two hundred fourteen million, four hundred twenty-one thousand, eight hundred sixty".