33420984 has 16 divisors (see below), whose sum is σ = 83552520. Its totient is φ = 11140320.

The previous prime is 33420979. The next prime is 33420991. The reversal of 33420984 is 48902433.

It is a super-2 number, since 2×33420984² = 2233924343056512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696247 + ... + 696294.

Almost surely, 2^33420984 is an apocalyptic number.

It is an amenable number.

33420984 is an abundant number, since it is smaller than the sum of its proper divisors (50131536).

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

33420984 is a wasteful number, since it uses less digits than its factorization.

33420984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392550 (or 1392546 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 33420984 is about 5781.0884788247. The cubic root of 33420984 is about 322.1116339396. Note that the first 3 decimals are identical.

The spelling of 33420984 in words is "thirty-three million, four hundred twenty thousand, nine hundred eighty-four".