214169928 has 128 divisors (see below), whose sum is σ = 653875200. Its totient is φ = 57125376.

The previous prime is 214169911. The next prime is 214169947. The reversal of 214169928 is 829961412.

214169928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 214169928.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165508 + ... + 166796.

It is an arithmetic number, because the mean of its divisors is an integer number (5108400).

Almost surely, 2^214169928 is an apocalyptic number.

214169928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214169928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326937600).

214169928 is an abundant number, since it is smaller than the sum of its proper divisors (439705272).

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

214169928 is a wasteful number, since it uses less digits than its factorization.

214169928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371 (or 1367 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 214169928 is about 14634.5457052824. The cubic root of 214169928 is about 598.3006806219.

The spelling of 214169928 in words is "two hundred fourteen million, one hundred sixty-nine thousand, nine hundred twenty-eight".