5971906 has 4 divisors (see below), whose sum is σ = 8957862. Its totient is φ = 2985952.

The previous prime is 5971877. The next prime is 5971919. The reversal of 5971906 is 6091795.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5716881 + 255025 = 2391^2 + 505^2 .

It is a super-2 number, since 2×5971906² = 71327322545672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1492975 + ... + 1492978.

Almost surely, 2^5971906 is an apocalyptic number.

5971906 is a deficient number, since it is larger than the sum of its proper divisors (2985956).

5971906 is a wasteful number, since it uses less digits than its factorization.

5971906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985955.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 5971906 is about 2443.7483503831. The cubic root of 5971906 is about 181.4280033285.

The spelling of 5971906 in words is "five million, nine hundred seventy-one thousand, nine hundred six".