28619030 has 32 divisors (see below), whose sum is σ = 56602368. Its totient is φ = 10332000.

The previous prime is 28619029. The next prime is 28619033. The reversal of 28619030 is 3091682.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28618984 and 28619002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28619033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15749 + ... + 17471.

It is an arithmetic number, because the mean of its divisors is an integer number (1768824).

Almost surely, 2^28619030 is an apocalyptic number.

28619030 is a deficient number, since it is larger than the sum of its proper divisors (27983338).

28619030 is a wasteful number, since it uses less digits than its factorization.

28619030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 28619030 is about 5349.6756911050. The cubic root of 28619030 is about 305.8803909768.

The spelling of 28619030 in words is "twenty-eight million, six hundred nineteen thousand, thirty".