28200562 has 8 divisors (see below), whose sum is σ = 45554796. Its totient is φ = 13015632.

The previous prime is 28200559. The next prime is 28200563. The reversal of 28200562 is 26500282.

It can be written as a sum of positive squares in 2 ways, for example, as 24196561 + 4004001 = 4919^2 + 2001^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28200563) 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, 542293 + ... + 542344.

Almost surely, 2^28200562 is an apocalyptic number.

28200562 is a deficient number, since it is larger than the sum of its proper divisors (17354234).

28200562 is a wasteful number, since it uses less digits than its factorization.

28200562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084652.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 28200562 is about 5310.4201340384. The cubic root of 28200562 is about 304.3822019302.

The spelling of 28200562 in words is "twenty-eight million, two hundred thousand, five hundred sixty-two".