33346540 has 48 divisors (see below), whose sum is σ = 72158688. Its totient is φ = 12939264.

The previous prime is 33346531. The next prime is 33346553. The reversal of 33346540 is 4564333.

It is a super-2 number, since 2×33346540² = 2223983459943200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33346499 and 33346508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172684 + ... + 172876.

It is an arithmetic number, because the mean of its divisors is an integer number (1503306).

Almost surely, 2^33346540 is an apocalyptic number.

It is an amenable number.

33346540 is an abundant number, since it is smaller than the sum of its proper divisors (38812148).

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

33346540 is a wasteful number, since it uses less digits than its factorization.

33346540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 33346540 is about 5774.6463095154. The cubic root of 33346540 is about 321.8722922448.

The spelling of 33346540 in words is "thirty-three million, three hundred forty-six thousand, five hundred forty".