3530657 has 8 divisors (see below), whose sum is σ = 3841320. Its totient is φ = 3225600.

The previous prime is 3530647. The next prime is 3530669. The reversal of 3530657 is 7560353.

It can be written as a sum of positive squares in 4 ways, for example, as 130321 + 3400336 = 361^2 + 1844^2 .

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 3530657 - 2¹⁰ = 3529633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3530647) 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, 32 + ... + 2657.

It is an arithmetic number, because the mean of its divisors is an integer number (480165).

Almost surely, 2^3530657 is an apocalyptic number.

It is an amenable number.

3530657 is a deficient number, since it is larger than the sum of its proper divisors (310663).

3530657 is a wasteful number, since it uses less digits than its factorization.

3530657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803.

The product of its (nonzero) digits is 9450, while the sum is 29.

The square root of 3530657 is about 1879.0042575790. The cubic root of 3530657 is about 152.2714591603.

The spelling of 3530657 in words is "three million, five hundred thirty thousand, six hundred fifty-seven".