3901976 has 32 divisors (see below), whose sum is σ = 8346240. Its totient is φ = 1694208.

The previous prime is 3901967. The next prime is 3901981. The reversal of 3901976 is 6791093.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665 + ... + 2871.

It is an arithmetic number, because the mean of its divisors is an integer number (260820).

Almost surely, 2^3901976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3901976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4173120).

3901976 is an abundant number, since it is smaller than the sum of its proper divisors (4444264).

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

3901976 is a wasteful number, since it uses less digits than its factorization.

3901976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243 (or 2239 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 3901976 is about 1975.3419957061. The cubic root of 3901976 is about 157.4326713146.

The spelling of 3901976 in words is "three million, nine hundred one thousand, nine hundred seventy-six".