4640814 has 32 divisors (see below), whose sum is σ = 10450080. Its totient is φ = 1545480.

The previous prime is 4640803. The next prime is 4640821. The reversal of 4640814 is 4180464.

4640814 is a `hidden beast` number, since 4 + 640 + 8 + 14 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3844 + ... + 4904.

It is an arithmetic number, because the mean of its divisors is an integer number (326565).

Almost surely, 2^4640814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4640814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5225040).

4640814 is an abundant number, since it is smaller than the sum of its proper divisors (5809266).

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

4640814 is an equidigital number, since it uses as much as digits as its factorization.

4640814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 4640814 is about 2154.2548595744. The cubic root of 4640814 is about 166.8007711781.

The spelling of 4640814 in words is "four million, six hundred forty thousand, eight hundred fourteen".