1879663 has 2 divisors, whose sum is σ = 1879664. Its totient is φ = 1879662.

The previous prime is 1879643. The next prime is 1879723. The reversal of 1879663 is 3669781.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1879663 - 2⁹ = 1879151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1879643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 939831 + 939832.

It is an arithmetic number, because the mean of its divisors is an integer number (939832).

2^1879663 is an apocalyptic number.

1879663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1879663 is an equidigital number, since it uses as much as digits as its factorization.

1879663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 40.

The square root of 1879663 is about 1371.0080233172. The cubic root of 1879663 is about 123.4127408441.

The spelling of 1879663 in words is "one million, eight hundred seventy-nine thousand, six hundred sixty-three".