3866958 has 12 divisors (see below), whose sum is σ = 8378448. Its totient is φ = 1288980.

The previous prime is 3866957. The next prime is 3866963. The reversal of 3866958 is 8596683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3866957) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107398 + ... + 107433.

It is an arithmetic number, because the mean of its divisors is an integer number (698204).

Almost surely, 2^3866958 is an apocalyptic number.

3866958 is an abundant number, since it is smaller than the sum of its proper divisors (4511490).

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

3866958 is a wasteful number, since it uses less digits than its factorization.

3866958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214839 (or 214836 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 3866958 is about 1966.4582375428. The cubic root of 3866958 is about 156.9602993725.

The spelling of 3866958 in words is "three million, eight hundred sixty-six thousand, nine hundred fifty-eight".