214809456 has 20 divisors (see below), whose sum is σ = 554924552. Its totient is φ = 71603136.

The previous prime is 214809431. The next prime is 214809479. The reversal of 214809456 is 654908412.

It is a super-2 number, since 2×214809456² = 92286204774031872, which contains 22 as substring.

It is a congruent number.

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, 2237551 + ... + 2237646.

Almost surely, 2^214809456 is an apocalyptic number.

It is an amenable number.

214809456 is an abundant number, since it is smaller than the sum of its proper divisors (340115096).

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

214809456 is a wasteful number, since it uses less digits than its factorization.

214809456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4475208 (or 4475202 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 214809456 is about 14656.3793619024. The cubic root of 214809456 is about 598.8956129069.

The spelling of 214809456 in words is "two hundred fourteen million, eight hundred nine thousand, four hundred fifty-six".