399354414 has 8 divisors (see below), whose sum is σ = 798708840. Its totient is φ = 133118136.

The previous prime is 399354409. The next prime is 399354427. The reversal of 399354414 is 414453993.

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

399354414 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33279529 + ... + 33279540.

It is an arithmetic number, because the mean of its divisors is an integer number (99838605).

Almost surely, 2^399354414 is an apocalyptic number.

399354414 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

399354414 is a wasteful number, since it uses less digits than its factorization.

399354414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66559074.

The product of its digits is 233280, while the sum is 42.

The square root of 399354414 is about 19983.8538325319. The cubic root of 399354414 is about 736.4096930886.

The spelling of 399354414 in words is "three hundred ninety-nine million, three hundred fifty-four thousand, four hundred fourteen".