399496336471 has 8 divisors (see below), whose sum is σ = 410530353984. Its totient is φ = 388474783200.

The previous prime is 399496336469. The next prime is 399496336537. The reversal of 399496336471 is 174633694993.

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

It is a cyclic number.

It is not a de Polignac number, because 399496336471 - 2¹ = 399496336469 is a prime.

It is a super-3 number, since 3×399496336471³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399496336171) 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, 3051055 + ... + 3179296.

It is an arithmetic number, because the mean of its divisors is an integer number (51316294248).

Almost surely, 2^399496336471 is an apocalyptic number.

399496336471 is a deficient number, since it is larger than the sum of its proper divisors (11034017513).

399496336471 is a wasteful number, since it uses less digits than its factorization.

399496336471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6232121.

The product of its digits is 79361856, while the sum is 64.

The spelling of 399496336471 in words is "three hundred ninety-nine billion, four hundred ninety-six million, three hundred thirty-six thousand, four hundred seventy-one".