33420648 has 16 divisors (see below), whose sum is σ = 83551680. Its totient is φ = 11140208.

The previous prime is 33420643. The next prime is 33420683. The reversal of 33420648 is 84602433.

It is a super-2 number, since 2×33420648² = 2233879425479808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33420643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696240 + ... + 696287.

It is an arithmetic number, because the mean of its divisors is an integer number (5221980).

Almost surely, 2^33420648 is an apocalyptic number.

It is an amenable number.

33420648 is an abundant number, since it is smaller than the sum of its proper divisors (50131032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33420648 is a wasteful number, since it uses less digits than its factorization.

33420648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392536 (or 1392532 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 33420648 is about 5781.0594184803. The cubic root of 33420648 is about 322.1105544794.

The spelling of 33420648 in words is "thirty-three million, four hundred twenty thousand, six hundred forty-eight".