28791462 has 16 divisors (see below), whose sum is σ = 65809152. Its totient is φ = 8226120.

The previous prime is 28791449. The next prime is 28791463. The reversal of 28791462 is 26419782.

It is a self number, because there is not a number n which added to its sum of digits gives 28791462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28791463) 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, 342714 + ... + 342797.

It is an arithmetic number, because the mean of its divisors is an integer number (4113072).

Almost surely, 2^28791462 is an apocalyptic number.

28791462 is an abundant number, since it is smaller than the sum of its proper divisors (37017690).

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

28791462 is a wasteful number, since it uses less digits than its factorization.

28791462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685523.

The product of its digits is 48384, while the sum is 39.

The square root of 28791462 is about 5365.7676058510. The cubic root of 28791462 is about 306.4934794547.

The spelling of 28791462 in words is "twenty-eight million, seven hundred ninety-one thousand, four hundred sixty-two".