33900812 has 36 divisors (see below), whose sum is σ = 66026520. Its totient is φ = 15216960.

The previous prime is 33900803. The next prime is 33900817. The reversal of 33900812 is 21800933.

It is a super-2 number, since 2×33900812² = 2298530108518688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33900817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42683 + ... + 43469.

It is an arithmetic number, because the mean of its divisors is an integer number (1834070).

Almost surely, 2^33900812 is an apocalyptic number.

It is an amenable number.

33900812 is a deficient number, since it is larger than the sum of its proper divisors (32125708).

33900812 is a wasteful number, since it uses less digits than its factorization.

33900812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 33900812 is about 5822.4403818330. The cubic root of 33900812 is about 323.6458432702.

The spelling of 33900812 in words is "thirty-three million, nine hundred thousand, eight hundred twelve".