33664998 has 64 divisors (see below), whose sum is σ = 77760000. Its totient is φ = 9644544.

The previous prime is 33664993. The next prime is 33664999. The reversal of 33664998 is 89946633.

33664998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×33664998² = 2266664180680008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33664991) 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 31 ways as a sum of consecutive naturals, for example, 55903 + ... + 56501.

It is an arithmetic number, because the mean of its divisors is an integer number (1215000).

Almost surely, 2^33664998 is an apocalyptic number.

33664998 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

33664998 is an abundant number, since it is smaller than the sum of its proper divisors (44095002).

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

33664998 is a wasteful number, since it uses less digits than its factorization.

33664998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669.

The product of its digits is 839808, while the sum is 48.

The square root of 33664998 is about 5802.1545998017. The cubic root of 33664998 is about 322.8936698508.

The spelling of 33664998 in words is "thirty-three million, six hundred sixty-four thousand, nine hundred ninety-eight".