33340000 has 60 divisors (see below), whose sum is σ = 82070604. Its totient is φ = 13328000.

The previous prime is 33339991. The next prime is 33340001. The reversal of 33340000 is 4333.

It is a super-2 number, since 2×33340000² = 2223111200000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33340001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19167 + ... + 20833.

Almost surely, 2^33340000 is an apocalyptic number.

33340000 is the 3334-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33340000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41035302).

33340000 is an abundant number, since it is smaller than the sum of its proper divisors (48730604).

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

33340000 is an equidigital number, since it uses as much as digits as its factorization.

33340000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697 (or 1674 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 33340000 is about 5774.0800133008. The cubic root of 33340000 is about 321.8512487580.

Adding to 33340000 its reverse (4333), we get a palindrome (33344333).

The spelling of 33340000 in words is "thirty-three million, three hundred forty thousand".