28049862 has 16 divisors (see below), whose sum is σ = 56151792. Its totient is φ = 9341280.

The previous prime is 28049849. The next prime is 28049867. The reversal of 28049862 is 26894082.

It is a self number, because there is not a number n which added to its sum of digits gives 28049862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28049867) 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, 10812 + ... + 13152.

It is an arithmetic number, because the mean of its divisors is an integer number (3509487).

Almost surely, 2^28049862 is an apocalyptic number.

28049862 is an abundant number, since it is smaller than the sum of its proper divisors (28101930).

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

28049862 is a wasteful number, since it uses less digits than its factorization.

28049862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4343.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 28049862 is about 5296.2120425829. The cubic root of 28049862 is about 303.8390407728.

The spelling of 28049862 in words is "twenty-eight million, forty-nine thousand, eight hundred sixty-two".