4487609 has 16 divisors (see below), whose sum is σ = 5563008. Its totient is φ = 3532032.

The previous prime is 4487597. The next prime is 4487621. The reversal of 4487609 is 9067844.

4487609 = T₄₂ + T₄₃ + ... + T₂₉₉.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4487597) and next prime (4487621).

It is a de Polignac number, because none of the positive numbers 2^k-4487609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4487699) 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, 4679 + ... + 5555.

It is an arithmetic number, because the mean of its divisors is an integer number (347688).

Almost surely, 2^4487609 is an apocalyptic number.

It is an amenable number.

4487609 is a deficient number, since it is larger than the sum of its proper divisors (1075399).

4487609 is a wasteful number, since it uses less digits than its factorization.

4487609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 4487609 is about 2118.3977435789. The cubic root of 4487609 is about 164.9446891438.

The spelling of 4487609 in words is "four million, four hundred eighty-seven thousand, six hundred nine".