1872799 has 2 divisors, whose sum is σ = 1872800. Its totient is φ = 1872798.

The previous prime is 1872769. The next prime is 1872817. The reversal of 1872799 is 9972781.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1872799 - 2⁷ = 1872671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1872769) by changing a digit.

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, 936399 + 936400.

It is an arithmetic number, because the mean of its divisors is an integer number (936400).

2^1872799 is an apocalyptic number.

1872799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1872799 is an equidigital number, since it uses as much as digits as its factorization.

1872799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 43.

The square root of 1872799 is about 1368.5024662017. The cubic root of 1872799 is about 123.2623347554.

The spelling of 1872799 in words is "one million, eight hundred seventy-two thousand, seven hundred ninety-nine".