3977471 has 2 divisors, whose sum is σ = 3977472. Its totient is φ = 3977470.

The previous prime is 3977461. The next prime is 3977483. The reversal of 3977471 is 1747793.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3977471 is a prime.

It is a super-3 number, since 3×3977471³ (a number of 21 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3977401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1988735 + 1988736.

It is an arithmetic number, because the mean of its divisors is an integer number (1988736).

Almost surely, 2^3977471 is an apocalyptic number.

3977471 is a deficient number, since it is larger than the sum of its proper divisors (1).

3977471 is an equidigital number, since it uses as much as digits as its factorization.

3977471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37044, while the sum is 38.

The square root of 3977471 is about 1994.3597970276. The cubic root of 3977471 is about 158.4415226101.

The spelling of 3977471 in words is "three million, nine hundred seventy-seven thousand, four hundred seventy-one".