28342302 has 32 divisors (see below), whose sum is σ = 60168960. Its totient is φ = 8883512.

The previous prime is 28342297. The next prime is 28342313. The reversal of 28342302 is 20324382.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480349 + ... + 480407.

It is an arithmetic number, because the mean of its divisors is an integer number (1880280).

Almost surely, 2^28342302 is an apocalyptic number.

28342302 is an abundant number, since it is smaller than the sum of its proper divisors (31826658).

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

28342302 is an frugal number, since it uses more digits than its factorization.

28342302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 28342302 is about 5323.7488671048. The cubic root of 28342302 is about 304.8913058895.

Adding to 28342302 its reverse (20324382), we get a palindrome (48666684).

The spelling of 28342302 in words is "twenty-eight million, three hundred forty-two thousand, three hundred two".