3781976 has 24 divisors (see below), whose sum is σ = 7796460. Its totient is φ = 1718640.

The previous prime is 3781961. The next prime is 3781993. The reversal of 3781976 is 6791873.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 986 + ... + 2921.

Almost surely, 2^3781976 is an apocalyptic number.

It is an amenable number.

3781976 is an abundant number, since it is smaller than the sum of its proper divisors (4014484).

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

3781976 is a wasteful number, since it uses less digits than its factorization.

3781976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935 (or 3920 counting only the distinct ones).

The product of its digits is 63504, while the sum is 41.

The square root of 3781976 is about 1944.7303154936. The cubic root of 3781976 is about 155.8019621587.

The spelling of 3781976 in words is "three million, seven hundred eighty-one thousand, nine hundred seventy-six".