2870478 has 80 divisors (see below), whose sum is σ = 7318080. Its totient is φ = 834624.

The previous prime is 2870473. The next prime is 2870513. The reversal of 2870478 is 8740782.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2870471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 61051 + ... + 61097.

It is an arithmetic number, because the mean of its divisors is an integer number (91476).

2^2870478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2870478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3659040).

2870478 is an abundant number, since it is smaller than the sum of its proper divisors (4447602).

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

2870478 is a wasteful number, since it uses less digits than its factorization.

2870478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 2870478 is about 1694.2485059754. The cubic root of 2870478 is about 142.1187593420.

It can be divided in two parts, 28704 and 78, that added together give a palindrome (28782).

The spelling of 2870478 in words is "two million, eight hundred seventy thousand, four hundred seventy-eight".