33428652 has 12 divisors (see below), whose sum is σ = 78000216. Its totient is φ = 11142880.

The previous prime is 33428651. The next prime is 33428669. The reversal of 33428652 is 25682433.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×33428652² = 2234949549074208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33428651) 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, 1392849 + ... + 1392872.

It is an arithmetic number, because the mean of its divisors is an integer number (6500018).

Almost surely, 2^33428652 is an apocalyptic number.

It is an amenable number.

33428652 is an abundant number, since it is smaller than the sum of its proper divisors (44571564).

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

33428652 is a wasteful number, since it uses less digits than its factorization.

33428652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785728 (or 2785726 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 33428652 is about 5781.7516376960. The cubic root of 33428652 is about 322.1362667984.

The spelling of 33428652 in words is "thirty-three million, four hundred twenty-eight thousand, six hundred fifty-two".