33440091 has 8 divisors (see below), whose sum is σ = 46525440. Its totient is φ = 21324072.

The previous prime is 33440081. The next prime is 33440101. The reversal of 33440091 is 19004433.

It is an interprime number because it is at equal distance from previous prime (33440081) and next prime (33440101).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33440091 - 2⁶ = 33440027 is a prime.

It is a super-2 number, since 2×33440091² = 2236479372176562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33440021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242251 + ... + 242388.

It is an arithmetic number, because the mean of its divisors is an integer number (5815680).

Almost surely, 2^33440091 is an apocalyptic number.

33440091 is a deficient number, since it is larger than the sum of its proper divisors (13085349).

33440091 is a wasteful number, since it uses less digits than its factorization.

33440091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484665.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 33440091 is about 5782.7407861671. The cubic root of 33440091 is about 322.1730067036.

The spelling of 33440091 in words is "thirty-three million, four hundred forty thousand, ninety-one".