3751971 has 8 divisors (see below), whose sum is σ = 5041344. Its totient is φ = 2481960.

The previous prime is 3751919. The next prime is 3752009. The reversal of 3751971 is 1791573.

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

It is not a de Polignac number, because 3751971 - 2⁶ = 3751907 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3751901) 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, 4381 + ... + 5166.

It is an arithmetic number, because the mean of its divisors is an integer number (630168).

Almost surely, 2^3751971 is an apocalyptic number.

3751971 is a deficient number, since it is larger than the sum of its proper divisors (1289373).

3751971 is a wasteful number, since it uses less digits than its factorization.

3751971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9681.

The product of its digits is 6615, while the sum is 33.

The square root of 3751971 is about 1937.0005162622. Note that the first 3 decimals coincide. The cubic root of 3751971 is about 155.3888398870.

It can be divided in two parts, 375 and 1971, that added together give a triangular number (2346 = T₆₈).

The spelling of 3751971 in words is "three million, seven hundred fifty-one thousand, nine hundred seventy-one".