3500661 has 8 divisors (see below), whose sum is σ = 4713280. Its totient is φ = 2310912.

The previous prime is 3500593. The next prime is 3500671. The reversal of 3500661 is 1660053.

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

It is not a de Polignac number, because 3500661 - 2⁹ = 3500149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3500671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5356 + ... + 5973.

It is an arithmetic number, because the mean of its divisors is an integer number (589160).

Almost surely, 2^3500661 is an apocalyptic number.

It is an amenable number.

3500661 is a deficient number, since it is larger than the sum of its proper divisors (1212619).

3500661 is a wasteful number, since it uses less digits than its factorization.

3500661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11435.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 3500661 is about 1871.0053447278. The cubic root of 3500661 is about 151.8390060174.

The spelling of 3500661 in words is "three million, five hundred thousand, six hundred sixty-one".