3821958 has 32 divisors (see below), whose sum is σ = 9707520. Its totient is φ = 1091880.

The previous prime is 3821953. The next prime is 3821963. The reversal of 3821958 is 8591283.

It is an interprime number because it is at equal distance from previous prime (3821953) and next prime (3821963).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4678 + ... + 5433.

It is an arithmetic number, because the mean of its divisors is an integer number (303360).

Almost surely, 2^3821958 is an apocalyptic number.

3821958 is an abundant number, since it is smaller than the sum of its proper divisors (5885562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3821958 is a wasteful number, since it uses less digits than its factorization.

3821958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10129 (or 10123 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 3821958 is about 1954.9828643750. The cubic root of 3821958 is about 156.3490703978.

The spelling of 3821958 in words is "three million, eight hundred twenty-one thousand, nine hundred fifty-eight".