2378791 has 2 divisors, whose sum is σ = 2378792. Its totient is φ = 2378790.

The previous prime is 2378773. The next prime is 2378797. The reversal of 2378791 is 1978732.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2378791 is a prime.

2378791 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2378791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2378797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1189395 + 1189396.

It is an arithmetic number, because the mean of its divisors is an integer number (1189396).

2^2378791 is an apocalyptic number.

2378791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2378791 is an equidigital number, since it uses as much as digits as its factorization.

2378791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 37.

The square root of 2378791 is about 1542.3329731287. The cubic root of 2378791 is about 133.4910335452.

The spelling of 2378791 in words is "two million, three hundred seventy-eight thousand, seven hundred ninety-one".