399337271246 has 8 divisors (see below), whose sum is σ = 599131157664. Its totient is φ = 199626885360.

The previous prime is 399337271209. The next prime is 399337271273. The reversal of 399337271246 is 642172733993.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 399337271191 and 399337271200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20863175 + ... + 20882306.

It is an arithmetic number, because the mean of its divisors is an integer number (74891394708).

Almost surely, 2^399337271246 is an apocalyptic number.

399337271246 is a deficient number, since it is larger than the sum of its proper divisors (199793886418).

399337271246 is a wasteful number, since it uses less digits than its factorization.

399337271246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41750266.

The product of its digits is 10287648, while the sum is 56.

The spelling of 399337271246 in words is "three hundred ninety-nine billion, three hundred thirty-seven million, two hundred seventy-one thousand, two hundred forty-six".