396999007 has 8 divisors (see below), whose sum is σ = 402526800. Its totient is φ = 391495104.

The previous prime is 396998999. The next prime is 396999013. The reversal of 396999007 is 700999693.

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 396999007 - 2³ = 396998999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396999047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28888 + ... + 40354.

It is an arithmetic number, because the mean of its divisors is an integer number (50315850).

Almost surely, 2^396999007 is an apocalyptic number.

396999007 is a deficient number, since it is larger than the sum of its proper divisors (5527793).

396999007 is a wasteful number, since it uses less digits than its factorization.

396999007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11945.

The product of its (nonzero) digits is 826686, while the sum is 52.

The square root of 396999007 is about 19924.8339265350. The cubic root of 396999007 is about 734.9590468798.

The spelling of 396999007 in words is "three hundred ninety-six million, nine hundred ninety-nine thousand, seven".