3973755 has 32 divisors (see below), whose sum is σ = 6819840. Its totient is φ = 1969920.

The previous prime is 3973751. The next prime is 3973757. The reversal of 3973755 is 5573793.

It is not a de Polignac number, because 3973755 - 2² = 3973751 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

3973755 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3973751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20710 + ... + 20900.

It is an arithmetic number, because the mean of its divisors is an integer number (213120).

Almost surely, 2^3973755 is an apocalyptic number.

3973755 is a deficient number, since it is larger than the sum of its proper divisors (2846085).

3973755 is a wasteful number, since it uses less digits than its factorization.

3973755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291.

The product of its digits is 99225, while the sum is 39.

The square root of 3973755 is about 1993.4279520464. The cubic root of 3973755 is about 158.3921652716.

The spelling of 3973755 in words is "three million, nine hundred seventy-three thousand, seven hundred fifty-five".