33246990 has 128 divisors (see below), whose sum is σ = 103680000. Its totient is φ = 7578144.

The previous prime is 33246977. The next prime is 33247007. The reversal of 33246990 is 9964233.

It is a happy number.

It is a super-2 number, since 2×33246990² = 2210724688120200, which contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 92431 + ... + 92789.

It is an arithmetic number, because the mean of its divisors is an integer number (810000).

Almost surely, 2^33246990 is an apocalyptic number.

33246990 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 33246990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51840000).

33246990 is an abundant number, since it is smaller than the sum of its proper divisors (70433010).

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

33246990 is a wasteful number, since it uses less digits than its factorization.

33246990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 33246990 is about 5766.0202913275. The cubic root of 33246990 is about 321.5516760205.

The spelling of 33246990 in words is "thirty-three million, two hundred forty-six thousand, nine hundred ninety".