28670202 has 48 divisors (see below), whose sum is σ = 71341920. Its totient is φ = 8229600.

The previous prime is 28670197. The next prime is 28670209. The reversal of 28670202 is 20207682.

It is not an unprimeable number, because it can be changed into a prime (28670209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49 + ... + 7572.

It is an arithmetic number, because the mean of its divisors is an integer number (1486290).

Almost surely, 2^28670202 is an apocalyptic number.

28670202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 28670202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35670960).

28670202 is an abundant number, since it is smaller than the sum of its proper divisors (42671718).

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

28670202 is a wasteful number, since it uses less digits than its factorization.

28670202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7659 (or 7656 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 28670202 is about 5354.4562749172. The cubic root of 28670202 is about 306.0625913229.

Adding to 28670202 its reverse (20207682), we get a palindrome (48877884).

The spelling of 28670202 in words is "twenty-eight million, six hundred seventy thousand, two hundred two".