214923456 has 140 divisors (see below), whose sum is σ = 695203080. Its totient is φ = 65111040.

The previous prime is 214923451. The next prime is 214923473. The reversal of 214923456 is 654329412.

It is a happy number.

214923456 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 (36).

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 214923456.

It is not an unprimeable number, because it can be changed into a prime (214923451) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55140 + ... + 58908.

Almost surely, 2^214923456 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 214923456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347601540).

214923456 is an abundant number, since it is smaller than the sum of its proper divisors (480279624).

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

214923456 is a wasteful number, since it uses less digits than its factorization.

214923456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804 (or 3785 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 214923456 is about 14660.2679375242. The cubic root of 214923456 is about 599.0015393823.

The spelling of 214923456 in words is "two hundred fourteen million, nine hundred twenty-three thousand, four hundred fifty-six".