28762104 has 32 divisors (see below), whose sum is σ = 82177920. Its totient is φ = 8217696.

The previous prime is 28762103. The next prime is 28762127. The reversal of 28762104 is 40126782.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28762103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85434 + ... + 85769.

It is an arithmetic number, because the mean of its divisors is an integer number (2568060).

Almost surely, 2^28762104 is an apocalyptic number.

28762104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28762104 is an abundant number, since it is smaller than the sum of its proper divisors (53415816).

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

28762104 is a wasteful number, since it uses less digits than its factorization.

28762104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171219 (or 171215 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 28762104 is about 5363.0312324282. The cubic root of 28762104 is about 306.3892692127.

Adding to 28762104 its reverse (40126782), we get a palindrome (68888886).

The spelling of 28762104 in words is "twenty-eight million, seven hundred sixty-two thousand, one hundred four".