2430878 has 4 divisors (see below), whose sum is σ = 3646320. Its totient is φ = 1215438.

The previous prime is 2430877. The next prime is 2430913. The reversal of 2430878 is 8780342.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607718 + ... + 607721.

It is an arithmetic number, because the mean of its divisors is an integer number (911580).

2^2430878 is an apocalyptic number.

2430878 is a deficient number, since it is larger than the sum of its proper divisors (1215442).

2430878 is a wasteful number, since it uses less digits than its factorization.

2430878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215441.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 2430878 is about 1559.1273200095. The cubic root of 2430878 is about 134.4583325184.

The spelling of 2430878 in words is "two million, four hundred thirty thousand, eight hundred seventy-eight".