33938472 has 32 divisors (see below), whose sum is σ = 87141600. Its totient is φ = 11006784.

The previous prime is 33938467. The next prime is 33938473. The reversal of 33938472 is 27483933.

It is a self number, because there is not a number n which added to its sum of digits gives 33938472.

It is not an unprimeable number, because it can be changed into a prime (33938473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18222 + ... + 19997.

It is an arithmetic number, because the mean of its divisors is an integer number (2723175).

Almost surely, 2^33938472 is an apocalyptic number.

It is an amenable number.

33938472 is an abundant number, since it is smaller than the sum of its proper divisors (53203128).

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

33938472 is a wasteful number, since it uses less digits than its factorization.

33938472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38265 (or 38261 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 33938472 is about 5825.6735232933. The cubic root of 33938472 is about 323.7656436640.

The spelling of 33938472 in words is "thirty-three million, nine hundred thirty-eight thousand, four hundred seventy-two".