3536991 has 12 divisors (see below), whose sum is σ = 5196360. Its totient is φ = 2317680.

The previous prime is 3536987. The next prime is 3536999. The reversal of 3536991 is 1996353.

It is not a de Polignac number, because 3536991 - 2² = 3536987 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3536999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2800 + ... + 3861.

It is an arithmetic number, because the mean of its divisors is an integer number (433030).

Almost surely, 2^3536991 is an apocalyptic number.

3536991 is a deficient number, since it is larger than the sum of its proper divisors (1659369).

3536991 is a wasteful number, since it uses less digits than its factorization.

3536991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6726 (or 6723 counting only the distinct ones).

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

The square root of 3536991 is about 1880.6889695003. The cubic root of 3536991 is about 152.3624631135.

The spelling of 3536991 in words is "three million, five hundred thirty-six thousand, nine hundred ninety-one".