3977065 has 16 divisors (see below), whose sum is σ = 5132160. Its totient is φ = 2947840.

The previous prime is 3977063. The next prime is 3977069. The reversal of 3977065 is 5607793.

It is not a de Polignac number, because 3977065 - 2¹ = 3977063 is a prime.

3977065 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3977063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5706 + ... + 6364.

It is an arithmetic number, because the mean of its divisors is an integer number (320760).

Almost surely, 2^3977065 is an apocalyptic number.

It is an amenable number.

3977065 is a deficient number, since it is larger than the sum of its proper divisors (1155095).

3977065 is a wasteful number, since it uses less digits than its factorization.

3977065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 3977065 is about 1994.2580073802. The cubic root of 3977065 is about 158.4361314586.

The spelling of 3977065 in words is "three million, nine hundred seventy-seven thousand, sixty-five".