33428300 has 36 divisors (see below), whose sum is σ = 75047280. Its totient is φ = 12909120.

The previous prime is 33428293. The next prime is 33428357. The reversal of 33428300 is 382433.

It is a super-2 number, since 2×33428300² = 2234902481780000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2864 + ... + 8663.

Almost surely, 2^33428300 is an apocalyptic number.

It is an amenable number.

33428300 is an abundant number, since it is smaller than the sum of its proper divisors (41618980).

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

33428300 is a wasteful number, since it uses less digits than its factorization.

33428300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11570 (or 11563 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 33428300 is about 5781.7211970139. The cubic root of 33428300 is about 322.1351361080.

The spelling of 33428300 in words is "thirty-three million, four hundred twenty-eight thousand, three hundred".