33036990 has 64 divisors (see below), whose sum is σ = 92136960. Its totient is φ = 7424640.

The previous prime is 33036989. The next prime is 33037007. The reversal of 33036990 is 9963033.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11521 + ... + 14099.

It is an arithmetic number, because the mean of its divisors is an integer number (1439640).

Almost surely, 2^33036990 is an apocalyptic number.

33036990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 33036990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46068480).

33036990 is an abundant number, since it is smaller than the sum of its proper divisors (59099970).

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

33036990 is a wasteful number, since it uses less digits than its factorization.

33036990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657.

The product of its (nonzero) digits is 13122, while the sum is 33.

The square root of 33036990 is about 5747.7813110800. The cubic root of 33036990 is about 320.8732333953.

The spelling of 33036990 in words is "thirty-three million, thirty-six thousand, nine hundred ninety".