28046396 has 24 divisors (see below), whose sum is σ = 59393376. Its totient is φ = 11312640.

The previous prime is 28046371. The next prime is 28046423. The reversal of 28046396 is 69364082.

It is a congruent number.

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, 28985 + ... + 29936.

It is an arithmetic number, because the mean of its divisors is an integer number (2474724).

Almost surely, 2^28046396 is an apocalyptic number.

It is an amenable number.

28046396 is an abundant number, since it is smaller than the sum of its proper divisors (31346980).

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

28046396 is a wasteful number, since it uses less digits than its factorization.

28046396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58949 (or 58947 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 28046396 is about 5295.8848174786. The cubic root of 28046396 is about 303.8265255658.

The spelling of 28046396 in words is "twenty-eight million, forty-six thousand, three hundred ninety-six".