3071997 has 6 divisors (see below), whose sum is σ = 4437342. Its totient is φ = 2047992.

The previous prime is 3071993. The next prime is 3072001. The reversal of 3071997 is 7991703.

It is an interprime number because it is at equal distance from previous prime (3071993) and next prime (3072001).

It can be written as a sum of positive squares in only one way, i.e., 3059001 + 12996 = 1749^2 + 114^2 .

It is not a de Polignac number, because 3071997 - 2² = 3071993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3071993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 170658 + ... + 170675.

It is an arithmetic number, because the mean of its divisors is an integer number (739557).

Almost surely, 2^3071997 is an apocalyptic number.

It is an amenable number.

3071997 is a deficient number, since it is larger than the sum of its proper divisors (1365345).

3071997 is a wasteful number, since it uses less digits than its factorization.

3071997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341339 (or 341336 counting only the distinct ones).

The product of its (nonzero) digits is 11907, while the sum is 36.

The square root of 3071997 is about 1752.7113281998. The cubic root of 3071997 is about 145.3696001057.

It can be divided in two parts, 307 and 1997, that added together give a square (2304 = 48²).

The spelling of 3071997 in words is "three million, seventy-one thousand, nine hundred ninety-seven".