4493481 has 16 divisors (see below), whose sum is σ = 6512640. Its totient is φ = 2745360.

The previous prime is 4493473. The next prime is 4493483. The reversal of 4493481 is 1843944.

It is a happy number.

It is not a de Polignac number, because 4493481 - 2³ = 4493473 is a prime.

It is a super-2 number, since 2×4493481² = 40382742994722, which contains 22 as substring.

It is a Curzon number.

4493481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4493483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496 + ... + 3038.

It is an arithmetic number, because the mean of its divisors is an integer number (407040).

Almost surely, 2^4493481 is an apocalyptic number.

It is an amenable number.

4493481 is a deficient number, since it is larger than the sum of its proper divisors (2019159).

4493481 is a wasteful number, since it uses less digits than its factorization.

4493481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596.

The product of its digits is 13824, while the sum is 33.

The square root of 4493481 is about 2119.7832436360. The cubic root of 4493481 is about 165.0166007173.

The spelling of 4493481 in words is "four million, four hundred ninety-three thousand, four hundred eighty-one".