28119042 has 48 divisors (see below), whose sum is σ = 72695520. Its totient is φ = 8033256.

The previous prime is 28119017. The next prime is 28119043. The reversal of 28119042 is 24091182.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 28118997 and 28119015.

It is not an unprimeable number, because it can be changed into a prime (28119043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2668 + ... + 7959.

It is an arithmetic number, because the mean of its divisors is an integer number (1514490).

Almost surely, 2^28119042 is an apocalyptic number.

28119042 is an abundant number, since it is smaller than the sum of its proper divisors (44576478).

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

28119042 is a wasteful number, since it uses less digits than its factorization.

28119042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10652 (or 10639 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 28119042 is about 5302.7391035200. The cubic root of 28119042 is about 304.0886240343.

The spelling of 28119042 in words is "twenty-eight million, one hundred nineteen thousand, forty-two".