33406016 has 28 divisors (see below), whose sum is σ = 75761088. Its totient is φ = 14316672.

The previous prime is 33406013. The next prime is 33406031. The reversal of 33406016 is 61060433.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×33406016² = 2231923809984512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33405982 and 33406000.

It is not an unprimeable number, because it can be changed into a prime (33406013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36836 + ... + 37731.

Almost surely, 2^33406016 is an apocalyptic number.

It is an amenable number.

33406016 is an abundant number, since it is smaller than the sum of its proper divisors (42355072).

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

33406016 is an equidigital number, since it uses as much as digits as its factorization.

33406016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74586 (or 74576 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 33406016 is about 5779.7937679471. The cubic root of 33406016 is about 322.0635395360.

Adding to 33406016 its reverse (61060433), we get a palindrome (94466449).

The spelling of 33406016 in words is "thirty-three million, four hundred six thousand, sixteen".