2930878 has 4 divisors (see below), whose sum is σ = 4396320. Its totient is φ = 1465438.

The previous prime is 2930869. The next prime is 2930887. The reversal of 2930878 is 8780392.

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

It is an interprime number because it is at equal distance from previous prime (2930869) and next prime (2930887).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 732718 + ... + 732721.

It is an arithmetic number, because the mean of its divisors is an integer number (1099080).

2^2930878 is an apocalyptic number.

2930878 is a deficient number, since it is larger than the sum of its proper divisors (1465442).

2930878 is a wasteful number, since it uses less digits than its factorization.

2930878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465441.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2930878 is about 1711.9807241905. The cubic root of 2930878 is about 143.1086594872.

The spelling of 2930878 in words is "two million, nine hundred thirty thousand, eight hundred seventy-eight".