28419634 has 8 divisors (see below), whose sum is σ = 42655788. Its totient is φ = 14201040.

The previous prime is 28419619. The next prime is 28419641. The reversal of 28419634 is 43691482.

It can be written as a sum of positive squares in 2 ways, for example, as 28355625 + 64009 = 5325^2 + 253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 28419593 and 28419602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964 + ... + 7600.

Almost surely, 2^28419634 is an apocalyptic number.

28419634 is a deficient number, since it is larger than the sum of its proper divisors (14236154).

28419634 is a wasteful number, since it uses less digits than its factorization.

28419634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8780.

The product of its digits is 41472, while the sum is 37.

The square root of 28419634 is about 5331.0068467411. The cubic root of 28419634 is about 305.1683528144.

The spelling of 28419634 in words is "twenty-eight million, four hundred nineteen thousand, six hundred thirty-four".