28412142 has 16 divisors (see below), whose sum is σ = 61990272. Its totient is φ = 8609720.

The previous prime is 28412129. The next prime is 28412143. The reversal of 28412142 is 24121482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28412143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215178 + ... + 215309.

It is an arithmetic number, because the mean of its divisors is an integer number (3874392).

Almost surely, 2^28412142 is an apocalyptic number.

28412142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28412142 is an abundant number, since it is smaller than the sum of its proper divisors (33578130).

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

28412142 is a wasteful number, since it uses less digits than its factorization.

28412142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430503.

The product of its digits is 1024, while the sum is 24.

The square root of 28412142 is about 5330.3041189035. The cubic root of 28412142 is about 305.1415342397.

The spelling of 28412142 in words is "twenty-eight million, four hundred twelve thousand, one hundred forty-two".