214497280 has 48 divisors (see below), whose sum is σ = 514692360. Its totient is φ = 85794816.

The previous prime is 214497247. The next prime is 214497301. The reversal of 214497280 is 82794412.

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, 234 + ... + 20713.

Almost surely, 2^214497280 is an apocalyptic number.

214497280 is a gapful number since it is divisible by the number (20) 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 214497280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257346180).

214497280 is an abundant number, since it is smaller than the sum of its proper divisors (300195080).

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

214497280 is an equidigital number, since it uses as much as digits as its factorization.

214497280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20974 (or 20954 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 214497280 is about 14645.7256563135. The cubic root of 214497280 is about 598.6053533723.

The spelling of 214497280 in words is "two hundred fourteen million, four hundred ninety-seven thousand, two hundred eighty".