3487557 has 8 divisors (see below), whose sum is σ = 4664800. Its totient is φ = 2317680.

The previous prime is 3487529. The next prime is 3487597. The reversal of 3487557 is 7557843.

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

It is not a de Polignac number, because 3487557 - 2⁸ = 3487301 is a prime.

It is the 1868-th Hogben number.

It is a Duffinian number.

3487557 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3487597) by changing a digit.

It is a nontrivial repunit in base 1867.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619 + ... + 2712.

It is an arithmetic number, because the mean of its divisors is an integer number (583100).

Almost surely, 2^3487557 is an apocalyptic number.

It is an amenable number.

3487557 is a deficient number, since it is larger than the sum of its proper divisors (1177243).

3487557 is a wasteful number, since it uses less digits than its factorization.

3487557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3683.

The product of its digits is 117600, while the sum is 39.

The square root of 3487557 is about 1867.5002008032. The cubic root of 3487557 is about 151.6493098253.

The spelling of 3487557 in words is "three million, four hundred eighty-seven thousand, five hundred fifty-seven".