33423836 has 12 divisors (see below), whose sum is σ = 61932528. Its totient is φ = 15728832.

The previous prime is 33423823. The next prime is 33423893. The reversal of 33423836 is 63832433.

It is a super-2 number, since 2×33423836² = 2234305625909792, 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, 245696 + ... + 245831.

It is an arithmetic number, because the mean of its divisors is an integer number (5161044).

Almost surely, 2^33423836 is an apocalyptic number.

It is an amenable number.

33423836 is a deficient number, since it is larger than the sum of its proper divisors (28508692).

33423836 is a wasteful number, since it uses less digits than its factorization.

33423836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491548 (or 491546 counting only the distinct ones).

The product of its digits is 31104, while the sum is 32.

The square root of 33423836 is about 5781.3351399136. The cubic root of 33423836 is about 322.1207962097.

The spelling of 33423836 in words is "thirty-three million, four hundred twenty-three thousand, eight hundred thirty-six".