3536981 has 4 divisors (see below), whose sum is σ = 4042272. Its totient is φ = 3031692.

The previous prime is 3536977. The next prime is 3536987. The reversal of 3536981 is 1896353.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3536981 - 2² = 3536977 is a prime.

It is a super-2 number, since 2×3536981² = 25020469188722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3536987) 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 3 ways as a sum of consecutive naturals, for example, 252635 + ... + 252648.

It is an arithmetic number, because the mean of its divisors is an integer number (1010568).

Almost surely, 2^3536981 is an apocalyptic number.

It is an amenable number.

3536981 is a deficient number, since it is larger than the sum of its proper divisors (505291).

3536981 is an equidigital number, since it uses as much as digits as its factorization.

3536981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505290.

The product of its digits is 19440, while the sum is 35.

The square root of 3536981 is about 1880.6863108982. The cubic root of 3536981 is about 152.3623195238.

The spelling of 3536981 in words is "three million, five hundred thirty-six thousand, nine hundred eighty-one".