3981077 has 4 divisors (see below), whose sum is σ = 4215276. Its totient is φ = 3746880.

The previous prime is 3981071. The next prime is 3981097. The reversal of 3981077 is 7701893.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2979076 + 1002001 = 1726^2 + 1001^2 .

It is a cyclic number.

It is not a de Polignac number, because 3981077 - 2¹² = 3976981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3981071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117074 + ... + 117107.

It is an arithmetic number, because the mean of its divisors is an integer number (1053819).

Almost surely, 2^3981077 is an apocalyptic number.

It is an amenable number.

3981077 is a deficient number, since it is larger than the sum of its proper divisors (234199).

3981077 is a wasteful number, since it uses less digits than its factorization.

3981077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234198.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 3981077 is about 1995.2636417276. The cubic root of 3981077 is about 158.4893895049.

The spelling of 3981077 in words is "three million, nine hundred eighty-one thousand, seventy-seven".