4723664 has 20 divisors (see below), whose sum is σ = 9984480. Its totient is φ = 2147040.

The previous prime is 4723661. The next prime is 4723699. The reversal of 4723664 is 4663274.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4723664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4723661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13244 + ... + 13595.

It is an arithmetic number, because the mean of its divisors is an integer number (499224).

Almost surely, 2^4723664 is an apocalyptic number.

4723664 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4723664 is an abundant number, since it is smaller than the sum of its proper divisors (5260816).

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

4723664 is a wasteful number, since it uses less digits than its factorization.

4723664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26858 (or 26852 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 4723664 is about 2173.3991810066. The cubic root of 4723664 is about 167.7875242824.

The spelling of 4723664 in words is "four million, seven hundred twenty-three thousand, six hundred sixty-four".