28294119 has 36 divisors (see below), whose sum is σ = 48176856. Its totient is φ = 15952608.

The previous prime is 28294109. The next prime is 28294127. The reversal of 28294119 is 91149282.

It is not a de Polignac number, because 28294119 - 2¹¹ = 28292071 is a prime.

It is a super-2 number, since 2×28294119² = 1601114339972322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28294109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36217 + ... + 36989.

It is an arithmetic number, because the mean of its divisors is an integer number (1338246).

Almost surely, 2^28294119 is an apocalyptic number.

28294119 is a deficient number, since it is larger than the sum of its proper divisors (19882737).

28294119 is a wasteful number, since it uses less digits than its factorization.

28294119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 866 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 28294119 is about 5319.2216535881. The cubic root of 28294119 is about 304.7184322521.

The spelling of 28294119 in words is "twenty-eight million, two hundred ninety-four thousand, one hundred nineteen".