3489521 has 8 divisors (see below), whose sum is σ = 4198080. Its totient is φ = 2833488.

The previous prime is 3489517. The next prime is 3489523. The reversal of 3489521 is 1259843.

3489521 = T₉₉₅ + T₉₉₆ + ... + T₁₀₀₁.

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

It is not a de Polignac number, because 3489521 - 2² = 3489517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3489523) 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, 12986 + ... + 13251.

It is an arithmetic number, because the mean of its divisors is an integer number (524760).

Almost surely, 2^3489521 is an apocalyptic number.

It is an amenable number.

3489521 is a deficient number, since it is larger than the sum of its proper divisors (708559).

3489521 is a wasteful number, since it uses less digits than its factorization.

3489521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26263.

The product of its digits is 8640, while the sum is 32.

The square root of 3489521 is about 1868.0259634170. The cubic root of 3489521 is about 151.6777713293.

The spelling of 3489521 in words is "three million, four hundred eighty-nine thousand, five hundred twenty-one".