28413836 has 24 divisors (see below), whose sum is σ = 54405120. Its totient is φ = 12877200.

The previous prime is 28413799. The next prime is 28413857. The reversal of 28413836 is 63831482.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 28413796 and 28413805.

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 7 ways as a sum of consecutive naturals, for example, 18581 + ... + 20051.

It is an arithmetic number, because the mean of its divisors is an integer number (2266880).

Almost surely, 2^28413836 is an apocalyptic number.

It is an amenable number.

28413836 is a deficient number, since it is larger than the sum of its proper divisors (25991284).

28413836 is a wasteful number, since it uses less digits than its factorization.

28413836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925 (or 1923 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 28413836 is about 5330.4630192883. The cubic root of 28413836 is about 305.1475985424.

The spelling of 28413836 in words is "twenty-eight million, four hundred thirteen thousand, eight hundred thirty-six".