4492878 has 16 divisors (see below), whose sum is σ = 9677136. Its totient is φ = 1382400.

The previous prime is 4492877. The next prime is 4492919. The reversal of 4492878 is 8782944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4492877) 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, 28723 + ... + 28878.

It is an arithmetic number, because the mean of its divisors is an integer number (604821).

Almost surely, 2^4492878 is an apocalyptic number.

4492878 is an abundant number, since it is smaller than the sum of its proper divisors (5184258).

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

4492878 is a wasteful number, since it uses less digits than its factorization.

4492878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57619.

The product of its digits is 129024, while the sum is 42.

The square root of 4492878 is about 2119.6410073406. The cubic root of 4492878 is about 165.0092189523.

It can be divided in two parts, 44928 and 78, that multiplied together give a square (3504384 = 1872²).

The spelling of 4492878 in words is "four million, four hundred ninety-two thousand, eight hundred seventy-eight".