1799434079 has 16 divisors (see below), whose sum is σ = 1886526720. Its totient is φ = 1714137600.

The previous prime is 1799434067. The next prime is 1799434081. The reversal of 1799434079 is 9704349971.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1799434079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1799434079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1799434979) 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, 986162 + ... + 987984.

It is an arithmetic number, because the mean of its divisors is an integer number (117907920).

Almost surely, 2^1799434079 is an apocalyptic number.

1799434079 is a deficient number, since it is larger than the sum of its proper divisors (87092641).

1799434079 is a wasteful number, since it uses less digits than its factorization.

1799434079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The square root of 1799434079 is about 42419.7369039460. The cubic root of 1799434079 is about 1216.3129025730.

The spelling of 1799434079 in words is "one billion, seven hundred ninety-nine million, four hundred thirty-four thousand, seventy-nine".