4487331 has 4 divisors (see below), whose sum is σ = 5983112. Its totient is φ = 2991552.

The previous prime is 4487321. The next prime is 4487339. The reversal of 4487331 is 1337844.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4487331 - 2⁵ = 4487299 is a prime.

It is a super-2 number, since 2×4487331² = 40272279007122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

4487331 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4487339) 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, 747886 + ... + 747891.

It is an arithmetic number, because the mean of its divisors is an integer number (1495778).

Almost surely, 2^4487331 is an apocalyptic number.

4487331 is a deficient number, since it is larger than the sum of its proper divisors (1495781).

4487331 is a wasteful number, since it uses less digits than its factorization.

4487331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495780.

The product of its digits is 8064, while the sum is 30.

The square root of 4487331 is about 2118.3321269338. The cubic root of 4487331 is about 164.9412830560.

The spelling of 4487331 in words is "four million, four hundred eighty-seven thousand, three hundred thirty-one".