4491888 has 20 divisors (see below), whose sum is σ = 11604168. Its totient is φ = 1497280.

The previous prime is 4491887. The next prime is 4491899. The reversal of 4491888 is 8881944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4491887) 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, 46743 + ... + 46838.

Almost surely, 2^4491888 is an apocalyptic number.

4491888 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4491888 is an abundant number, since it is smaller than the sum of its proper divisors (7112280).

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

4491888 is a wasteful number, since it uses less digits than its factorization.

4491888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93592 (or 93586 counting only the distinct ones).

The product of its digits is 73728, while the sum is 42.

The square root of 4491888 is about 2119.4074643636. The cubic root of 4491888 is about 164.9970982042.

The spelling of 4491888 in words is "four million, four hundred ninety-one thousand, eight hundred eighty-eight".