3867958 has 4 divisors (see below), whose sum is σ = 5801940. Its totient is φ = 1933978.

The previous prime is 3867947. The next prime is 3867961. The reversal of 3867958 is 8597683.

3867958 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×3867958² = 29922198179528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 966988 + ... + 966991.

It is an arithmetic number, because the mean of its divisors is an integer number (1450485).

Almost surely, 2^3867958 is an apocalyptic number.

3867958 is a deficient number, since it is larger than the sum of its proper divisors (1933982).

3867958 is a wasteful number, since it uses less digits than its factorization.

3867958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933981.

The product of its digits is 362880, while the sum is 46.

The square root of 3867958 is about 1966.7124853420. The cubic root of 3867958 is about 156.9738282473.

The spelling of 3867958 in words is "three million, eight hundred sixty-seven thousand, nine hundred fifty-eight".