42928092 has 72 divisors (see below), whose sum is σ = 112039200. Its totient is φ = 13852800.

The previous prime is 42928069. The next prime is 42928099. The reversal of 42928092 is 29082924.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42928099) 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, 284217 + ... + 284367.

It is an arithmetic number, because the mean of its divisors is an integer number (1556100).

Almost surely, 2^42928092 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 42928092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56019600).

42928092 is an abundant number, since it is smaller than the sum of its proper divisors (69111108).

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

42928092 is a wasteful number, since it uses less digits than its factorization.

42928092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 42928092 is about 6551.9532965368. The cubic root of 42928092 is about 350.1444084367.

The spelling of 42928092 in words is "forty-two million, nine hundred twenty-eight thousand, ninety-two".