3901071 has 8 divisors (see below), whose sum is σ = 5369344. Its totient is φ = 2516760.

The previous prime is 3901069. The next prime is 3901087. The reversal of 3901071 is 1701093.

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

It is not a de Polignac number, because 3901071 - 2¹ = 3901069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3901031) 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 7 ways as a sum of consecutive naturals, for example, 20881 + ... + 21066.

It is an arithmetic number, because the mean of its divisors is an integer number (671168).

Almost surely, 2^3901071 is an apocalyptic number.

3901071 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3901071 is a deficient number, since it is larger than the sum of its proper divisors (1468273).

3901071 is a wasteful number, since it uses less digits than its factorization.

3901071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41981.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 3901071 is about 1975.1129081650. The cubic root of 3901071 is about 157.4204990559.

The spelling of 3901071 in words is "three million, nine hundred one thousand, seventy-one".