28631202 has 16 divisors (see below), whose sum is σ = 58659552. Its totient is φ = 9310880.

The previous prime is 28631201. The next prime is 28631203. The reversal of 28631202 is 20213682.

It is an interprime number because it is at equal distance from previous prime (28631201) and next prime (28631203).

It is not an unprimeable number, because it can be changed into a prime (28631201) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 57948 + ... + 58439.

It is an arithmetic number, because the mean of its divisors is an integer number (3666222).

Almost surely, 2^28631202 is an apocalyptic number.

28631202 is an abundant number, since it is smaller than the sum of its proper divisors (30028350).

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

28631202 is a wasteful number, since it uses less digits than its factorization.

28631202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116433.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 28631202 is about 5350.8132092234. The cubic root of 28631202 is about 305.9237496372.

Adding to 28631202 its reverse (20213682), we get a palindrome (48844884).

The spelling of 28631202 in words is "twenty-eight million, six hundred thirty-one thousand, two hundred two".