28619348 has 6 divisors (see below), whose sum is σ = 50083866. Its totient is φ = 14309672.

The previous prime is 28619329. The next prime is 28619359. The reversal of 28619348 is 84391682.

It can be written as a sum of positive squares in only one way, i.e., 16144324 + 12475024 = 4018^2 + 3532^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3577415 + ... + 3577422.

It is an arithmetic number, because the mean of its divisors is an integer number (8347311).

Almost surely, 2^28619348 is an apocalyptic number.

It is an amenable number.

28619348 is a deficient number, since it is larger than the sum of its proper divisors (21464518).

28619348 is a wasteful number, since it uses less digits than its factorization.

28619348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7154841 (or 7154839 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 28619348 is about 5349.7054124503. The cubic root of 28619348 is about 305.8815239013.

The spelling of 28619348 in words is "twenty-eight million, six hundred nineteen thousand, three hundred forty-eight".