2905971 has 8 divisors (see below), whose sum is σ = 3999744. Its totient is φ = 1874760.

The previous prime is 2905961. The next prime is 2905999. The reversal of 2905971 is 1795092.

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

It is not a de Polignac number, because 2905971 - 2⁹ = 2905459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2905901) 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, 15531 + ... + 15716.

It is an arithmetic number, because the mean of its divisors is an integer number (499968).

2^2905971 is an apocalyptic number.

2905971 is a deficient number, since it is larger than the sum of its proper divisors (1093773).

2905971 is a wasteful number, since it uses less digits than its factorization.

2905971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31281.

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 2905971 is about 1704.6908810691. The cubic root of 2905971 is about 142.7021200745.

The spelling of 2905971 in words is "two million, nine hundred five thousand, nine hundred seventy-one".