3992858 has 8 divisors (see below), whose sum is σ = 6341652. Its totient is φ = 1878976.

The previous prime is 3992843. The next prime is 3992873. The reversal of 3992858 is 8582993.

It is an interprime number because it is at equal distance from previous prime (3992843) and next prime (3992873).

It can be written as a sum of positive squares in 2 ways, for example, as 3265249 + 727609 = 1807^2 + 853^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58685 + ... + 58752.

Almost surely, 2^3992858 is an apocalyptic number.

3992858 is a deficient number, since it is larger than the sum of its proper divisors (2348794).

3992858 is a wasteful number, since it uses less digits than its factorization.

3992858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117456.

The product of its digits is 155520, while the sum is 44.

The square root of 3992858 is about 1998.2137022851. The cubic root of 3992858 is about 158.6455720922.

The spelling of 3992858 in words is "three million, nine hundred ninety-two thousand, eight hundred fifty-eight".