28863462 has 16 divisors (see below), whose sum is σ = 57784320. Its totient is φ = 9611592.

The previous prime is 28863437. The next prime is 28863463. The reversal of 28863462 is 26436882.

It is a self number, because there is not a number n which added to its sum of digits gives 28863462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28863463) 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, 6963 + ... + 10305.

It is an arithmetic number, because the mean of its divisors is an integer number (3611520).

Almost surely, 2^28863462 is an apocalyptic number.

28863462 is an abundant number, since it is smaller than the sum of its proper divisors (28920858).

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

28863462 is a wasteful number, since it uses less digits than its factorization.

28863462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4787.

The product of its digits is 110592, while the sum is 39.

The square root of 28863462 is about 5372.4726151001. The cubic root of 28863462 is about 306.7487537552.

The spelling of 28863462 in words is "twenty-eight million, eight hundred sixty-three thousand, four hundred sixty-two".