28838946 has 16 divisors (see below), whose sum is σ = 57734208. Its totient is φ = 9603600.

The previous prime is 28838923. The next prime is 28838951. The reversal of 28838946 is 64983882.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28838895 and 28838904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7476 + ... + 10656.

It is an arithmetic number, because the mean of its divisors is an integer number (3608388).

Almost surely, 2^28838946 is an apocalyptic number.

28838946 is an abundant number, since it is smaller than the sum of its proper divisors (28895262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28838946 is a wasteful number, since it uses less digits than its factorization.

28838946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4697.

The product of its digits is 663552, while the sum is 48.

The square root of 28838946 is about 5370.1904994143. The cubic root of 28838946 is about 306.6618805701.

The spelling of 28838946 in words is "twenty-eight million, eight hundred thirty-eight thousand, nine hundred forty-six".