43028900 has 18 divisors (see below), whose sum is σ = 93372930. Its totient is φ = 17211520.

The previous prime is 43028897. The next prime is 43028927. The reversal of 43028900 is 982034.

It can be written as a sum of positive squares in 3 ways, for example, as 73984 + 42954916 = 272^2 + 6554^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43028900.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 215045 + ... + 215244.

It is an arithmetic number, because the mean of its divisors is an integer number (5187385).

Almost surely, 2^43028900 is an apocalyptic number.

It is an amenable number.

43028900 is an abundant number, since it is smaller than the sum of its proper divisors (50344030).

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

43028900 is a wasteful number, since it uses less digits than its factorization.

43028900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430303 (or 430296 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 43028900 is about 6559.6417585109. The cubic root of 43028900 is about 350.4182754415.

The spelling of 43028900 in words is "forty-three million, twenty-eight thousand, nine hundred".