3539661 has 8 divisors (see below), whose sum is σ = 4738944. Its totient is φ = 2350080.

The previous prime is 3539659. The next prime is 3539663. The reversal of 3539661 is 1669353.

It is an interprime number because it is at equal distance from previous prime (3539659) and next prime (3539663).

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

It is not a de Polignac number, because 3539661 - 2¹ = 3539659 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3539663) 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, 1525 + ... + 3066.

It is an arithmetic number, because the mean of its divisors is an integer number (592368).

Almost surely, 2^3539661 is an apocalyptic number.

It is an amenable number.

3539661 is a deficient number, since it is larger than the sum of its proper divisors (1199283).

3539661 is a wasteful number, since it uses less digits than its factorization.

3539661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4851.

The product of its digits is 14580, while the sum is 33.

The square root of 3539661 is about 1881.3986818322. The cubic root of 3539661 is about 152.4007918752.

The spelling of 3539661 in words is "three million, five hundred thirty-nine thousand, six hundred sixty-one".