2400878 has 32 divisors (see below), whose sum is σ = 4112640. Its totient is φ = 1045440.

The previous prime is 2400869. The next prime is 2400883. The reversal of 2400878 is 8780042.

It is a self number, because there is not a number n which added to its sum of digits gives 2400878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35801 + ... + 35867.

It is an arithmetic number, because the mean of its divisors is an integer number (128520).

2^2400878 is an apocalyptic number.

2400878 is a deficient number, since it is larger than the sum of its proper divisors (1711762).

2400878 is a wasteful number, since it uses less digits than its factorization.

2400878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 2400878 is about 1549.4766858524. The cubic root of 2400878 is about 133.9029147517.

The spelling of 2400878 in words is "two million, four hundred thousand, eight hundred seventy-eight".