399030041 has 8 divisors (see below), whose sum is σ = 400982400. Its totient is φ = 397083280.

The previous prime is 399030029. The next prime is 399030083. The reversal of 399030041 is 140030993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-399030041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 399029986 and 399030013.

It is not an unprimeable number, because it can be changed into a prime (399030641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212336 + ... + 214206.

It is an arithmetic number, because the mean of its divisors is an integer number (50122800).

Almost surely, 2^399030041 is an apocalyptic number.

It is an amenable number.

399030041 is a deficient number, since it is larger than the sum of its proper divisors (1952359).

399030041 is a wasteful number, since it uses less digits than its factorization.

399030041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 399030041 is about 19975.7363068298. The cubic root of 399030041 is about 736.2102577699.

The spelling of 399030041 in words is "three hundred ninety-nine million, thirty thousand, forty-one".