28273962 has 16 divisors (see below), whose sum is σ = 57863520. Its totient is φ = 9205392.

The previous prime is 28273951. The next prime is 28273967. The reversal of 28273962 is 26937282.

It is a self number, because there is not a number n which added to its sum of digits gives 28273962.

It is not an unprimeable number, because it can be changed into a prime (28273967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54537 + ... + 55052.

It is an arithmetic number, because the mean of its divisors is an integer number (3616470).

Almost surely, 2^28273962 is an apocalyptic number.

28273962 is an abundant number, since it is smaller than the sum of its proper divisors (29589558).

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

28273962 is a wasteful number, since it uses less digits than its factorization.

28273962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109637.

The product of its digits is 72576, while the sum is 39.

The square root of 28273962 is about 5317.3265839141. The cubic root of 28273962 is about 304.6460536234.

The spelling of 28273962 in words is "twenty-eight million, two hundred seventy-three thousand, nine hundred sixty-two".