214696428 has 96 divisors (see below), whose sum is σ = 545529600. Its totient is φ = 65505024.

The previous prime is 214696411. The next prime is 214696429. The reversal of 214696428 is 824696412.

It is a self number, because there is not a number n which added to its sum of digits gives 214696428.

It is not an unprimeable number, because it can be changed into a prime (214696429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1317075 + ... + 1317237.

It is an arithmetic number, because the mean of its divisors is an integer number (5682600).

Almost surely, 2^214696428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214696428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272764800).

214696428 is an abundant number, since it is smaller than the sum of its proper divisors (330833172).

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

214696428 is a wasteful number, since it uses less digits than its factorization.

214696428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 349 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 214696428 is about 14652.5229226915. The cubic root of 214696428 is about 598.7905525886.

The spelling of 214696428 in words is "two hundred fourteen million, six hundred ninety-six thousand, four hundred twenty-eight".