1948799 has 2 divisors, whose sum is σ = 1948800. Its totient is φ = 1948798.

The previous prime is 1948789. The next prime is 1948801. The reversal of 1948799 is 9978491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1948799 - 2⁴ = 1948783 is a prime.

Together with 1948801, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1948729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974399 + 974400.

It is an arithmetic number, because the mean of its divisors is an integer number (974400).

2^1948799 is an apocalyptic number.

1948799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1948799 is an equidigital number, since it uses as much as digits as its factorization.

1948799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 47.

The square root of 1948799 is about 1395.9939111615. The cubic root of 1948799 is about 124.9076437794.

The spelling of 1948799 in words is "one million, nine hundred forty-eight thousand, seven hundred ninety-nine".