28793054 has 4 divisors (see below), whose sum is σ = 43189584. Its totient is φ = 14396526.

The previous prime is 28793041. The next prime is 28793057. The reversal of 28793054 is 45039782.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45039782 = 2 ⋅22519891.

It is a junction number, because it is equal to n+sod(n) for n = 28792999 and 28793017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28793057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7198262 + ... + 7198265.

It is an arithmetic number, because the mean of its divisors is an integer number (10797396).

Almost surely, 2^28793054 is an apocalyptic number.

28793054 is a deficient number, since it is larger than the sum of its proper divisors (14396530).

28793054 is a wasteful number, since it uses less digits than its factorization.

28793054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14396529.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 28793054 is about 5365.9159516340. The cubic root of 28793054 is about 306.4991284514.

The spelling of 28793054 in words is "twenty-eight million, seven hundred ninety-three thousand, fifty-four".