4261664 has 24 divisors (see below), whose sum is σ = 9153648. Its totient is φ = 1936960.

The previous prime is 4261661. The next prime is 4261709. The reversal of 4261664 is 4661624.

It is not an unprimeable number, because it can be changed into a prime (4261661) 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, 5702 + ... + 6405.

It is an arithmetic number, because the mean of its divisors is an integer number (381402).

Almost surely, 2^4261664 is an apocalyptic number.

4261664 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4261664 is an abundant number, since it is smaller than the sum of its proper divisors (4891984).

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

4261664 is a wasteful number, since it uses less digits than its factorization.

4261664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12128 (or 12120 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 4261664 is about 2064.3798100156. The cubic root of 4261664 is about 162.1286383634.

The spelling of 4261664 in words is "four million, two hundred sixty-one thousand, six hundred sixty-four".