28412316 has 24 divisors (see below), whose sum is σ = 73661840. Its totient is φ = 9470736.

The previous prime is 28412273. The next prime is 28412323. The reversal of 28412316 is 61321482.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 28412316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131431 + ... + 131646.

Almost surely, 2^28412316 is an apocalyptic number.

It is an amenable number.

28412316 is an abundant number, since it is smaller than the sum of its proper divisors (45249524).

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

28412316 is a wasteful number, since it uses less digits than its factorization.

28412316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263090 (or 263082 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 28412316 is about 5330.3204406489. The cubic root of 28412316 is about 305.1421571485.

Adding to 28412316 its reverse (61321482), we get a palindrome (89733798).

It can be divided in two parts, 2841 and 2316, that multiplied together give a palindrome (6579756).

The spelling of 28412316 in words is "twenty-eight million, four hundred twelve thousand, three hundred sixteen".