33408016 has 20 divisors (see below), whose sum is σ = 65120832. Its totient is φ = 16602656.

The previous prime is 33407999. The next prime is 33408017. The reversal of 33408016 is 61080433.

It is a super-2 number, since 2×33408016² = 2232191066112512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33408017) 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, 3580 + ... + 8923.

Almost surely, 2^33408016 is an apocalyptic number.

It is an amenable number.

33408016 is a deficient number, since it is larger than the sum of its proper divisors (31712816).

33408016 is a wasteful number, since it uses less digits than its factorization.

33408016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12678 (or 12672 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 33408016 is about 5779.9667819115. The cubic root of 33408016 is about 322.0699666640.

Adding to 33408016 its reverse (61080433), we get a palindrome (94488449).

The spelling of 33408016 in words is "thirty-three million, four hundred eight thousand, sixteen".