3976143 has 8 divisors (see below), whose sum is σ = 5313408. Its totient is φ = 2644824.

The previous prime is 3976129. The next prime is 3976169. The reversal of 3976143 is 3416793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3976143 - 2⁸ = 3975887 is a prime.

It is an Ulam number.

3976143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3976183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430 + ... + 2852.

It is an arithmetic number, because the mean of its divisors is an integer number (664176).

Almost surely, 2^3976143 is an apocalyptic number.

3976143 is a deficient number, since it is larger than the sum of its proper divisors (1337265).

3976143 is a wasteful number, since it uses less digits than its factorization.

3976143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973.

The product of its digits is 13608, while the sum is 33.

The square root of 3976143 is about 1994.0268303110. The cubic root of 3976143 is about 158.4238871358.

The spelling of 3976143 in words is "three million, nine hundred seventy-six thousand, one hundred forty-three".