3520489 has 8 divisors (see below), whose sum is σ = 4053888. Its totient is φ = 2994720.

The previous prime is 3520487. The next prime is 3520499. The reversal of 3520489 is 9840253.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3520489 - 2¹ = 3520487 is a prime.

It is a Duffinian number.

3520489 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3520489.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877 + ... + 2794.

It is an arithmetic number, because the mean of its divisors is an integer number (506736).

Almost surely, 2^3520489 is an apocalyptic number.

It is an amenable number.

3520489 is a deficient number, since it is larger than the sum of its proper divisors (533399).

3520489 is a wasteful number, since it uses less digits than its factorization.

3520489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3520489 is about 1876.2966183416. The cubic root of 3520489 is about 152.1251422094.

The spelling of 3520489 in words is "three million, five hundred twenty thousand, four hundred eighty-nine".