28363802 has 4 divisors (see below), whose sum is σ = 42545706. Its totient is φ = 14181900.

The previous prime is 28363763. The next prime is 28363813. The reversal of 28363802 is 20836382.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27552001 + 811801 = 5249^2 + 901^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7090949 + ... + 7090952.

Almost surely, 2^28363802 is an apocalyptic number.

28363802 is a deficient number, since it is larger than the sum of its proper divisors (14181904).

28363802 is a wasteful number, since it uses less digits than its factorization.

28363802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14181903.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 28363802 is about 5325.7677380825. The cubic root of 28363802 is about 304.9683815651.

It can be divided in two parts, 2836380 and 2, that added together give a palindrome (2836382).

The spelling of 28363802 in words is "twenty-eight million, three hundred sixty-three thousand, eight hundred two".