2942478 has 72 divisors (see below), whose sum is σ = 8050224. Its totient is φ = 760320.

The previous prime is 2942477. The next prime is 2942503. The reversal of 2942478 is 8742492.

2942478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15150 + ... + 15342.

2^2942478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2942478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4025112).

2942478 is an abundant number, since it is smaller than the sum of its proper divisors (5107746).

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

2942478 is a wasteful number, since it uses less digits than its factorization.

2942478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 216 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2942478 is about 1715.3652672244. The cubic root of 2942478 is about 143.2972122188.

It can be divided in two parts, 294 and 2478, that added together give a palindrome (2772).

The spelling of 2942478 in words is "two million, nine hundred forty-two thousand, four hundred seventy-eight".