33481812 has 48 divisors (see below), whose sum is σ = 96156032. Its totient is φ = 8830080.

The previous prime is 33481807. The next prime is 33481817. The reversal of 33481812 is 21818433.

It is an interprime number because it is at equal distance from previous prime (33481807) and next prime (33481817).

It is a super-2 number, since 2×33481812² = 2242063469606688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33481812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33481817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14239 + ... + 16422.

Almost surely, 2^33481812 is an apocalyptic number.

It is an amenable number.

33481812 is an abundant number, since it is smaller than the sum of its proper divisors (62674220).

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

33481812 is a wasteful number, since it uses less digits than its factorization.

33481812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30688 (or 30686 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 33481812 is about 5786.3470341831. The cubic root of 33481812 is about 322.3069357043.

The spelling of 33481812 in words is "thirty-three million, four hundred eighty-one thousand, eight hundred twelve".