5691906 has 96 divisors (see below), whose sum is σ = 15163200. Its totient is φ = 1520640.

The previous prime is 5691899. The next prime is 5691913. The reversal of 5691906 is 6091965.

5691906 is a `hidden beast` number, since 569 + 1 + 90 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (5691899) and next prime (5691913).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63910 + ... + 63998.

It is an arithmetic number, because the mean of its divisors is an integer number (157950).

Almost surely, 2^5691906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5691906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7581600).

5691906 is an abundant number, since it is smaller than the sum of its proper divisors (9471294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5691906 is a wasteful number, since it uses less digits than its factorization.

5691906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 5691906 is about 2385.7715733071. The cubic root of 5691906 is about 178.5470064277.

The spelling of 5691906 in words is "five million, six hundred ninety-one thousand, nine hundred six".