33393420 has 36 divisors (see below), whose sum is σ = 101293920. Its totient is φ = 8904864.

The previous prime is 33393419. The next prime is 33393427. The reversal of 33393420 is 2439333.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×33393420² = 2230240998592800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33393427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92580 + ... + 92939.

It is an arithmetic number, because the mean of its divisors is an integer number (2813720).

Almost surely, 2^33393420 is an apocalyptic number.

33393420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33393420 is an abundant number, since it is smaller than the sum of its proper divisors (67900500).

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

33393420 is a wasteful number, since it uses less digits than its factorization.

33393420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185534 (or 185529 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

The square root of 33393420 is about 5778.7040069552. The cubic root of 33393420 is about 322.0230555872.

The spelling of 33393420 in words is "thirty-three million, three hundred ninety-three thousand, four hundred twenty".