3945958 has 8 divisors (see below), whose sum is σ = 6230520. Its totient is φ = 1869120.

The previous prime is 3945937. The next prime is 3945973. The reversal of 3945958 is 8595493.

It is a happy number.

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, 51883 + ... + 51958.

It is an arithmetic number, because the mean of its divisors is an integer number (778815).

Almost surely, 2^3945958 is an apocalyptic number.

3945958 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3945958 is a deficient number, since it is larger than the sum of its proper divisors (2284562).

3945958 is a wasteful number, since it uses less digits than its factorization.

3945958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103862.

The product of its digits is 194400, while the sum is 43.

The square root of 3945958 is about 1986.4435557045. The cubic root of 3945958 is about 158.0219752589.

The spelling of 3945958 in words is "three million, nine hundred forty-five thousand, nine hundred fifty-eight".