28626246 has 24 divisors (see below), whose sum is σ = 67662504. Its totient is φ = 8674560.

The previous prime is 28626239. The next prime is 28626253. The reversal of 28626246 is 64262682.

28626246 is a `hidden beast` number, since 2 + 8 + 626 + 24 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (28626239) and next prime (28626253).

It is a self number, because there is not a number n which added to its sum of digits gives 28626246.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72091 + ... + 72486.

It is an arithmetic number, because the mean of its divisors is an integer number (2819271).

Almost surely, 2^28626246 is an apocalyptic number.

28626246 is an abundant number, since it is smaller than the sum of its proper divisors (39036258).

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

28626246 is a wasteful number, since it uses less digits than its factorization.

28626246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144596 (or 144593 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 28626246 is about 5350.3500820040. The cubic root of 28626246 is about 305.9060970357.

The spelling of 28626246 in words is "twenty-eight million, six hundred twenty-six thousand, two hundred forty-six".