1878741 has 16 divisors (see below), whose sum is σ = 2808000. Its totient is φ = 1241424.

The previous prime is 1878733. The next prime is 1878757. The reversal of 1878741 is 1478781.

It is not a de Polignac number, because 1878741 - 2³ = 1878733 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1878696 and 1878705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1878781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3790 + ... + 4256.

It is an arithmetic number, because the mean of its divisors is an integer number (175500).

2^1878741 is an apocalyptic number.

It is an amenable number.

1878741 is a deficient number, since it is larger than the sum of its proper divisors (929259).

1878741 is a wasteful number, since it uses less digits than its factorization.

1878741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 619 counting only the distinct ones).

The product of its digits is 12544, while the sum is 36.

The square root of 1878741 is about 1370.6717331294. The cubic root of 1878741 is about 123.3925590071.

The spelling of 1878741 in words is "one million, eight hundred seventy-eight thousand, seven hundred forty-one".