28492146 has 48 divisors (see below), whose sum is σ = 64022400. Its totient is φ = 9150624.

The previous prime is 28492141. The next prime is 28492151. The reversal of 28492146 is 64129482.

28492146 is a `hidden beast` number, since 28 + 492 + 146 = 666.

It is an interprime number because it is at equal distance from previous prime (28492141) and next prime (28492151).

It is a self number, because there is not a number n which added to its sum of digits gives 28492146.

It is not an unprimeable number, because it can be changed into a prime (28492141) 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, 119095 + ... + 119333.

It is an arithmetic number, because the mean of its divisors is an integer number (1333800).

Almost surely, 2^28492146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28492146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32011200).

28492146 is an abundant number, since it is smaller than the sum of its proper divisors (35530254).

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

28492146 is a wasteful number, since it uses less digits than its factorization.

28492146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 460 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 28492146 is about 5337.8034808337. The cubic root of 28492146 is about 305.4276755797.

The spelling of 28492146 in words is "twenty-eight million, four hundred ninety-two thousand, one hundred forty-six".