33491849 has 2 divisors, whose sum is σ = 33491850. Its totient is φ = 33491848.

The previous prime is 33491837. The next prime is 33491917. The reversal of 33491849 is 94819433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32410249 + 1081600 = 5693^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 33491849 - 2⁴ = 33491833 is a prime.

It is a super-2 number, since 2×33491849² = 2243407898877602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33491149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16745924 + 16745925.

It is an arithmetic number, because the mean of its divisors is an integer number (16745925).

Almost surely, 2^33491849 is an apocalyptic number.

It is an amenable number.

33491849 is a deficient number, since it is larger than the sum of its proper divisors (1).

33491849 is an equidigital number, since it uses as much as digits as its factorization.

33491849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 41.

The square root of 33491849 is about 5787.2142694046. The cubic root of 33491849 is about 322.3391389744.

The spelling of 33491849 in words is "thirty-three million, four hundred ninety-one thousand, eight hundred forty-nine".