33398016 has 36 divisors (see below), whose sum is σ = 88889472. Its totient is φ = 11132416.

The previous prime is 33398009. The next prime is 33398033. The reversal of 33398016 is 61089333.

It is a super-2 number, since 2×33398016² = 2230854945472512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20976 + ... + 22511.

It is an arithmetic number, because the mean of its divisors is an integer number (2469152).

Almost surely, 2^33398016 is an apocalyptic number.

It is an amenable number.

33398016 is an abundant number, since it is smaller than the sum of its proper divisors (55491456).

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

33398016 is an equidigital number, since it uses as much as digits as its factorization.

33398016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43506 (or 43492 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 33398016 is about 5779.1016602929. The cubic root of 33398016 is about 322.0378284583.

The spelling of 33398016 in words is "thirty-three million, three hundred ninety-eight thousand, sixteen".