3487561 has 8 divisors (see below), whose sum is σ = 4348224. Its totient is φ = 2717520.

The previous prime is 3487529. The next prime is 3487597. The reversal of 3487561 is 1657843.

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 3487561 - 2⁵ = 3487529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3487661) 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, 22570 + ... + 22723.

It is an arithmetic number, because the mean of its divisors is an integer number (543528).

Almost surely, 2^3487561 is an apocalyptic number.

It is an amenable number.

3487561 is a deficient number, since it is larger than the sum of its proper divisors (860663).

3487561 is a wasteful number, since it uses less digits than its factorization.

3487561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45311.

The product of its digits is 20160, while the sum is 34.

The square root of 3487561 is about 1867.5012717532. The cubic root of 3487561 is about 151.6493678025.

The spelling of 3487561 in words is "three million, four hundred eighty-seven thousand, five hundred sixty-one".