3539691 has 6 divisors (see below), whose sum is σ = 5112900. Its totient is φ = 2359788.

The previous prime is 3539687. The next prime is 3539693. The reversal of 3539691 is 1969353.

3539691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3539691 - 2² = 3539687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3539693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 196641 + ... + 196658.

It is an arithmetic number, because the mean of its divisors is an integer number (852150).

Almost surely, 2^3539691 is an apocalyptic number.

3539691 is a deficient number, since it is larger than the sum of its proper divisors (1573209).

3539691 is a wasteful number, since it uses less digits than its factorization.

3539691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393305 (or 393302 counting only the distinct ones).

The product of its digits is 21870, while the sum is 36.

The square root of 3539691 is about 1881.4066546071. The cubic root of 3539691 is about 152.4012224260.

The spelling of 3539691 in words is "three million, five hundred thirty-nine thousand, six hundred ninety-one".