28619102 has 4 divisors (see below), whose sum is σ = 42928656. Its totient is φ = 14309550.

The previous prime is 28619053. The next prime is 28619113. The reversal of 28619102 is 20191682.

It is a semiprime because it is the product of two primes.

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, 7154774 + ... + 7154777.

It is an arithmetic number, because the mean of its divisors is an integer number (10732164).

Almost surely, 2^28619102 is an apocalyptic number.

28619102 is a deficient number, since it is larger than the sum of its proper divisors (14309554).

28619102 is a wasteful number, since it uses less digits than its factorization.

28619102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14309553.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 28619102 is about 5349.6824204807. The cubic root of 28619102 is about 305.8806474888.

The spelling of 28619102 in words is "twenty-eight million, six hundred nineteen thousand, one hundred two".