28942176 has 48 divisors (see below), whose sum is σ = 76737024. Its totient is φ = 9550464.

The previous prime is 28942169. The next prime is 28942201. The reversal of 28942176 is 67124982.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×28942176² = 1675299103229952, which contains 22 as substring.

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, 8425 + ... + 11351.

It is an arithmetic number, because the mean of its divisors is an integer number (1598688).

Almost surely, 2^28942176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28942176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38368512).

28942176 is an abundant number, since it is smaller than the sum of its proper divisors (47794848).

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

28942176 is a wasteful number, since it uses less digits than its factorization.

28942176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3043 (or 3035 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 28942176 is about 5379.7933045796. The cubic root of 28942176 is about 307.0273471025.

The spelling of 28942176 in words is "twenty-eight million, nine hundred forty-two thousand, one hundred seventy-six".