214466840 has 32 divisors (see below), whose sum is σ = 551486880. Its totient is φ = 73531392.

The previous prime is 214466839. The next prime is 214466869. The reversal of 214466840 is 48664412.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 214466840.

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, 382697 + ... + 383256.

It is an arithmetic number, because the mean of its divisors is an integer number (17233965).

Almost surely, 2^214466840 is an apocalyptic number.

214466840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214466840 is an abundant number, since it is smaller than the sum of its proper divisors (337020040).

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

214466840 is a wasteful number, since it uses less digits than its factorization.

214466840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765971 (or 765967 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 214466840 is about 14644.6864083872. The cubic root of 214466840 is about 598.5770353613.

The spelling of 214466840 in words is "two hundred fourteen million, four hundred sixty-six thousand, eight hundred forty".