28346136 has 64 divisors (see below), whose sum is σ = 87225600. Its totient is φ = 7475328.

The previous prime is 28346113. The next prime is 28346147. The reversal of 28346136 is 63164382.

It is a super-2 number, since 2×28346136² = 1607006852260992, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 28346097 and 28346106.

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, 4306 + ... + 8673.

It is an arithmetic number, because the mean of its divisors is an integer number (1362900).

Almost surely, 2^28346136 is an apocalyptic number.

28346136 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28346136 is an abundant number, since it is smaller than the sum of its proper divisors (58879464).

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

28346136 is a wasteful number, since it uses less digits than its factorization.

28346136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13008 (or 13004 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 28346136 is about 5324.1089395316. The cubic root of 28346136 is about 304.9050533091.

It can be divided in two parts, 28346 and 136, that added together give a palindrome (28482).

The spelling of 28346136 in words is "twenty-eight million, three hundred forty-six thousand, one hundred thirty-six".