396851799 has 8 divisors (see below), whose sum is σ = 530942832. Its totient is φ = 263664320.

The previous prime is 396851789. The next prime is 396851809. The reversal of 396851799 is 997158693.

It is an interprime number because it is at equal distance from previous prime (396851789) and next prime (396851809).

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 396851799 - 2⁷ = 396851671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396851779) 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, 224862 + ... + 226619.

It is an arithmetic number, because the mean of its divisors is an integer number (66367854).

Almost surely, 2^396851799 is an apocalyptic number.

396851799 is a deficient number, since it is larger than the sum of its proper divisors (134091033).

396851799 is a wasteful number, since it uses less digits than its factorization.

396851799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451777.

The product of its digits is 3674160, while the sum is 57.

The square root of 396851799 is about 19921.1395005406. The cubic root of 396851799 is about 734.8681942372.

The spelling of 396851799 in words is "three hundred ninety-six million, eight hundred fifty-one thousand, seven hundred ninety-nine".