33438748 has 12 divisors (see below), whose sum is σ = 66877552. Its totient is φ = 14330880.

The previous prime is 33438731. The next prime is 33438749. The reversal of 33438748 is 84783433.

It is a happy number.

33438748 is an admirable number.

It is a super-2 number, since 2×33438748² = 2236299735615008, which contains 22 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 33438748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33438749) 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, 597093 + ... + 597148.

Almost surely, 2^33438748 is an apocalyptic number.

It is an amenable number.

33438748 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33438748 is a wasteful number, since it uses less digits than its factorization.

33438748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194252 (or 1194250 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 33438748 is about 5782.6246635935. The cubic root of 33438748 is about 322.1686936757.

The spelling of 33438748 in words is "thirty-three million, four hundred thirty-eight thousand, seven hundred forty-eight".