33985456 has 20 divisors (see below), whose sum is σ = 65948904. Its totient is φ = 16966400.

The previous prime is 33985417. The next prime is 33985459. The reversal of 33985456 is 65458933.

It is a super-2 number, since 2×33985456² = 2310022439055872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33985459) 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, 12891 + ... + 15301.

Almost surely, 2^33985456 is an apocalyptic number.

It is an amenable number.

33985456 is a deficient number, since it is larger than the sum of its proper divisors (31963448).

33985456 is a wasteful number, since it uses less digits than its factorization.

33985456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300 (or 3294 counting only the distinct ones).

The product of its digits is 388800, while the sum is 43.

The square root of 33985456 is about 5829.7046237352. The cubic root of 33985456 is about 323.9149804866.

The spelling of 33985456 in words is "thirty-three million, nine hundred eighty-five thousand, four hundred fifty-six".