3871045 has 8 divisors (see below), whose sum is σ = 4661280. Its totient is φ = 3086160.

The previous prime is 3871039. The next prime is 3871073. The reversal of 3871045 is 5401783.

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

It is not a de Polignac number, because 3871045 - 2⁵ = 3871013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486 + ... + 2824.

It is an arithmetic number, because the mean of its divisors is an integer number (582660).

Almost surely, 2^3871045 is an apocalyptic number.

It is an amenable number.

3871045 is a deficient number, since it is larger than the sum of its proper divisors (790235).

3871045 is a wasteful number, since it uses less digits than its factorization.

3871045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 3871045 is about 1967.4971410399. The cubic root of 3871045 is about 157.0155771797.

The spelling of 3871045 in words is "three million, eight hundred seventy-one thousand, forty-five".