3973471 has 4 divisors (see below), whose sum is σ = 3977512. Its totient is φ = 3969432.

The previous prime is 3973469. The next prime is 3973481. The reversal of 3973471 is 1743793.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3973471 - 2¹ = 3973469 is a prime.

It is a super-3 number, since 3×3973471³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3973421) 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 3 ways as a sum of consecutive naturals, for example, 520 + ... + 2866.

It is an arithmetic number, because the mean of its divisors is an integer number (994378).

Almost surely, 2^3973471 is an apocalyptic number.

3973471 is a deficient number, since it is larger than the sum of its proper divisors (4041).

3973471 is a wasteful number, since it uses less digits than its factorization.

3973471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040.

The product of its digits is 15876, while the sum is 34.

The square root of 3973471 is about 1993.3567166967. The cubic root of 3973471 is about 158.3883918091.

It can be divided in two parts, 3973 and 471, that added together give a palindrome (4444).

The spelling of 3973471 in words is "three million, nine hundred seventy-three thousand, four hundred seventy-one".