214645704 has 128 divisors (see below), whose sum is σ = 683424000. Its totient is φ = 54641664.

The previous prime is 214645703. The next prime is 214645721. The reversal of 214645704 is 407546412.

It is not an unprimeable number, because it can be changed into a prime (214645703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61642 + ... + 65030.

It is an arithmetic number, because the mean of its divisors is an integer number (5339250).

Almost surely, 2^214645704 is an apocalyptic number.

214645704 is a gapful number since it is divisible by the number (24) 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 214645704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341712000).

214645704 is an abundant number, since it is smaller than the sum of its proper divisors (468778296).

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

214645704 is a wasteful number, since it uses less digits than its factorization.

214645704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447 (or 3443 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 214645704 is about 14650.7919239883. The cubic root of 214645704 is about 598.7433922879.

The spelling of 214645704 in words is "two hundred fourteen million, six hundred forty-five thousand, seven hundred four".