3977361 has 12 divisors (see below), whose sum is σ = 5765760. Its totient is φ = 2642040.

The previous prime is 3977353. The next prime is 3977377. The reversal of 3977361 is 1637793.

It is not a de Polignac number, because 3977361 - 2³ = 3977353 is a prime.

3977361 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3977341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2616 + ... + 3846.

It is an arithmetic number, because the mean of its divisors is an integer number (480480).

Almost surely, 2^3977361 is an apocalyptic number.

It is an amenable number.

3977361 is a deficient number, since it is larger than the sum of its proper divisors (1788399).

3977361 is a wasteful number, since it uses less digits than its factorization.

3977361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596 (or 1593 counting only the distinct ones).

The product of its digits is 23814, while the sum is 36.

The square root of 3977361 is about 1994.3322190648. The cubic root of 3977361 is about 158.4400619895.

The spelling of 3977361 in words is "three million, nine hundred seventy-seven thousand, three hundred sixty-one".