1878794 has 12 divisors (see below), whose sum is σ = 2921334. Its totient is φ = 906192.

The previous prime is 1878791. The next prime is 1878803. The reversal of 1878794 is 4978781.

It can be written as a sum of positive squares in 3 ways, for example, as 1181569 + 697225 = 1087^2 + 835^2 .

It is not an unprimeable number, because it can be changed into a prime (1878791) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1124 + ... + 2240.

2^1878794 is an apocalyptic number.

1878794 is a deficient number, since it is larger than the sum of its proper divisors (1042540).

1878794 is a wasteful number, since it uses less digits than its factorization.

1878794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177 (or 1148 counting only the distinct ones).

The product of its digits is 112896, while the sum is 44.

The square root of 1878794 is about 1370.6910665792. The cubic root of 1878794 is about 123.3937193132.

It can be divided in two parts, 18787 and 94, that added together give a palindrome (18881).

The spelling of 1878794 in words is "one million, eight hundred seventy-eight thousand, seven hundred ninety-four".