28346142 has 16 divisors (see below), whose sum is σ = 61846272. Its totient is φ = 8589720.

The previous prime is 28346113. The next prime is 28346147. The reversal of 28346142 is 24164382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28346147) 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, 214678 + ... + 214809.

It is an arithmetic number, because the mean of its divisors is an integer number (3865392).

Almost surely, 2^28346142 is an apocalyptic number.

28346142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28346142 is an abundant number, since it is smaller than the sum of its proper divisors (33500130).

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

28346142 is a wasteful number, since it uses less digits than its factorization.

28346142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429503.

The product of its digits is 9216, while the sum is 30.

The square root of 28346142 is about 5324.1095030061. The cubic root of 28346142 is about 304.9050748221.

The spelling of 28346142 in words is "twenty-eight million, three hundred forty-six thousand, one hundred forty-two".