3535949 has 4 divisors (see below), whose sum is σ = 3743964. Its totient is φ = 3327936.

The previous prime is 3535943. The next prime is 3535969. The reversal of 3535949 is 9495353.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1525225 + 2010724 = 1235^2 + 1418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3535949 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3535943) 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, 103982 + ... + 104015.

It is an arithmetic number, because the mean of its divisors is an integer number (935991).

Almost surely, 2^3535949 is an apocalyptic number.

It is an amenable number.

3535949 is a deficient number, since it is larger than the sum of its proper divisors (208015).

3535949 is a wasteful number, since it uses less digits than its factorization.

3535949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208014.

The product of its digits is 72900, while the sum is 38.

The square root of 3535949 is about 1880.4119229573. The cubic root of 3535949 is about 152.3474996149.

It can be divided in two parts, 35359 and 49, that multiplied together give a triangular number (1732591 = T₁₈₆₁).

The spelling of 3535949 in words is "three million, five hundred thirty-five thousand, nine hundred forty-nine".