3996858 has 8 divisors (see below), whose sum is σ = 7993728. Its totient is φ = 1332284.

The previous prime is 3996857. The next prime is 3996869. The reversal of 3996858 is 8586993.

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

3996858 is an admirable number.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3996857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333066 + ... + 333077.

It is an arithmetic number, because the mean of its divisors is an integer number (999216).

Almost surely, 2^3996858 is an apocalyptic number.

3996858 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.

3996858 is a wasteful number, since it uses less digits than its factorization.

3996858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666148.

The product of its digits is 466560, while the sum is 48.

The square root of 3996858 is about 1999.2143456868. The cubic root of 3996858 is about 158.6985308585.

The spelling of 3996858 in words is "three million, nine hundred ninety-six thousand, eight hundred fifty-eight".