33190940 has 12 divisors (see below), whose sum is σ = 69701016. Its totient is φ = 13276368.

The previous prime is 33190939. The next prime is 33190943. The reversal of 33190940 is 4909133.

It is a super-2 number, since 2×33190940² = 2203276996167200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33190943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829754 + ... + 829793.

It is an arithmetic number, because the mean of its divisors is an integer number (5808418).

Almost surely, 2^33190940 is an apocalyptic number.

It is an amenable number.

33190940 is an abundant number, since it is smaller than the sum of its proper divisors (36510076).

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

33190940 is a wasteful number, since it uses less digits than its factorization.

33190940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659556 (or 1659554 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 33190940 is about 5761.1578697342. The cubic root of 33190940 is about 321.3708766053.

The spelling of 33190940 in words is "thirty-three million, one hundred ninety thousand, nine hundred forty".