3071661 has 8 divisors (see below), whose sum is σ = 4103904. Its totient is φ = 2043600.

The previous prime is 3071659. The next prime is 3071669. The reversal of 3071661 is 1661703.

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

It is not a de Polignac number, because 3071661 - 2¹ = 3071659 is a prime.

It is a super-3 number, since 3×3071661³ = 86944298072834933343, which contains 333 as substring.

3071661 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3071669) 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, 1711 + ... + 3011.

It is an arithmetic number, because the mean of its divisors is an integer number (512988).

Almost surely, 2^3071661 is an apocalyptic number.

It is an amenable number.

3071661 is a deficient number, since it is larger than the sum of its proper divisors (1032243).

3071661 is a wasteful number, since it uses less digits than its factorization.

3071661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 3071661 is about 1752.6154740844. The cubic root of 3071661 is about 145.3642999740.

The spelling of 3071661 in words is "three million, seventy-one thousand, six hundred sixty-one".