396857833 has 8 divisors (see below), whose sum is σ = 399253536. Its totient is φ = 394468800.

The previous prime is 396857821. The next prime is 396857861. The reversal of 396857833 is 338758693.

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

It is not a de Polignac number, because 396857833 - 2¹³ = 396849641 is a prime.

It is a super-2 number, since 2×396857833² = 314992279226911778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396857863) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 163398 + ... + 165808.

It is an arithmetic number, because the mean of its divisors is an integer number (49906692).

Almost surely, 2^396857833 is an apocalyptic number.

It is an amenable number.

396857833 is a deficient number, since it is larger than the sum of its proper divisors (2395703).

396857833 is a wasteful number, since it uses less digits than its factorization.

396857833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335.

The product of its digits is 3265920, while the sum is 52.

The square root of 396857833 is about 19921.2909471249. The cubic root of 396857833 is about 734.8719186940.

The spelling of 396857833 in words is "three hundred ninety-six million, eight hundred fifty-seven thousand, eight hundred thirty-three".