28977582 has 16 divisors (see below), whose sum is σ = 58112640. Its totient is φ = 9632952.

The previous prime is 28977581. The next prime is 28977589. The reversal of 28977582 is 28577982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28977581) 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, 4098 + ... + 8645.

It is an arithmetic number, because the mean of its divisors is an integer number (3632040).

Almost surely, 2^28977582 is an apocalyptic number.

28977582 is an abundant number, since it is smaller than the sum of its proper divisors (29135058).

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

28977582 is a wasteful number, since it uses less digits than its factorization.

28977582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13127.

The product of its digits is 564480, while the sum is 48.

The square root of 28977582 is about 5383.0829456734. The cubic root of 28977582 is about 307.1524952653.

The spelling of 28977582 in words is "twenty-eight million, nine hundred seventy-seven thousand, five hundred eighty-two".