33490089 has 12 divisors (see below), whose sum is σ = 48424896. Its totient is φ = 22303512.

The previous prime is 33490073. The next prime is 33490091. The reversal of 33490089 is 98009433.

It is not a de Polignac number, because 33490089 - 2⁴ = 33490073 is a prime.

It is a super-2 number, since 2×33490089² = 2243172122455842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33490189) 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, 15004 + ... + 17090.

It is an arithmetic number, because the mean of its divisors is an integer number (4035408).

Almost surely, 2^33490089 is an apocalyptic number.

It is an amenable number.

33490089 is a deficient number, since it is larger than the sum of its proper divisors (14934807).

33490089 is a wasteful number, since it uses less digits than its factorization.

33490089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876 (or 3873 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 33490089 is about 5787.0622080638. The cubic root of 33490089 is about 322.3334925576. Note that the first 3 decimals are identical.

The spelling of 33490089 in words is "thirty-three million, four hundred ninety thousand, eighty-nine".