28723482 has 12 divisors (see below), whose sum is σ = 62234250. Its totient is φ = 9574488.

The previous prime is 28723477. The next prime is 28723537. The reversal of 28723482 is 28432782.

It can be written as a sum of positive squares in only one way, i.e., 21706281 + 7017201 = 4659^2 + 2649^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 797857 + ... + 797892.

Almost surely, 2^28723482 is an apocalyptic number.

28723482 is an abundant number, since it is smaller than the sum of its proper divisors (33510768).

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

28723482 is a wasteful number, since it uses less digits than its factorization.

28723482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595757 (or 1595754 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 28723482 is about 5359.4292606583. The cubic root of 28723482 is about 306.2520670692.

The spelling of 28723482 in words is "twenty-eight million, seven hundred twenty-three thousand, four hundred eighty-two".