33998872 has 16 divisors (see below), whose sum is σ = 63822240. Its totient is φ = 16979616.

The previous prime is 33998869. The next prime is 33998873. The reversal of 33998872 is 27889933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33998873) 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, 6898 + ... + 10750.

It is an arithmetic number, because the mean of its divisors is an integer number (3988890).

Almost surely, 2^33998872 is an apocalyptic number.

It is an amenable number.

33998872 is a deficient number, since it is larger than the sum of its proper divisors (29823368).

33998872 is a wasteful number, since it uses less digits than its factorization.

33998872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4962 (or 4958 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 33998872 is about 5830.8551688410. The cubic root of 33998872 is about 323.9575974586.

The spelling of 33998872 in words is "thirty-three million, nine hundred ninety-eight thousand, eight hundred seventy-two".