399706607334 has 16 divisors (see below), whose sum is σ = 802299186288. Its totient is φ = 132754540512.

The previous prime is 399706607329. The next prime is 399706607351. The reversal of 399706607334 is 433706607993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120247017 + ... + 120250340.

It is an arithmetic number, because the mean of its divisors is an integer number (50143699143).

Almost surely, 2^399706607334 is an apocalyptic number.

399706607334 is an abundant number, since it is smaller than the sum of its proper divisors (402592578954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

399706607334 is a wasteful number, since it uses less digits than its factorization.

399706607334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240497639.

The product of its (nonzero) digits is 15431472, while the sum is 57.

The spelling of 399706607334 in words is "three hundred ninety-nine billion, seven hundred six million, six hundred seven thousand, three hundred thirty-four".