214965872 has 40 divisors (see below), whose sum is σ = 456137472. Its totient is φ = 97329600.

The previous prime is 214965869. The next prime is 214965887. The reversal of 214965872 is 278569412.

It is a happy number.

It is a super-2 number, since 2×214965872² = 92420652249440768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45443 + ... + 49949.

Almost surely, 2^214965872 is an apocalyptic number.

214965872 is a gapful number since it is divisible by the number (22) 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 214965872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228068736).

214965872 is an abundant number, since it is smaller than the sum of its proper divisors (241171600).

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

214965872 is a wasteful number, since it uses less digits than its factorization.

214965872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4797 (or 4791 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 214965872 is about 14661.7144972885. The cubic root of 214965872 is about 599.0409419035.

The spelling of 214965872 in words is "two hundred fourteen million, nine hundred sixty-five thousand, eight hundred seventy-two".