33821034 has 32 divisors (see below), whose sum is σ = 74820480. Its totient is φ = 10124352.

The previous prime is 33821009. The next prime is 33821057. The reversal of 33821034 is 43012833.

It is a super-2 number, since 2×33821034² = 2287724681658312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33820995 and 33821013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2974 + ... + 8745.

It is an arithmetic number, because the mean of its divisors is an integer number (2338140).

Almost surely, 2^33821034 is an apocalyptic number.

33821034 is an abundant number, since it is smaller than the sum of its proper divisors (40999446).

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

33821034 is a wasteful number, since it uses less digits than its factorization.

33821034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11774.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 33821034 is about 5815.5854391454. The cubic root of 33821034 is about 323.3917677598.

Adding to 33821034 its reverse (43012833), we get a palindrome (76833867).

The spelling of 33821034 in words is "thirty-three million, eight hundred twenty-one thousand, thirty-four".