5971640 has 32 divisors (see below), whose sum is σ = 13506480. Its totient is φ = 2376192.

The previous prime is 5971639. The next prime is 5971657. The reversal of 5971640 is 461795.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5971597 and 5971606.

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 in 7 ways as a sum of consecutive naturals, for example, 13259 + ... + 13701.

Almost surely, 2^5971640 is an apocalyptic number.

It is an amenable number.

5971640 is an abundant number, since it is smaller than the sum of its proper divisors (7534840).

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

5971640 is a wasteful number, since it uses less digits than its factorization.

5971640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 5971640 is about 2443.6939251878. The cubic root of 5971640 is about 181.4253095729.

The spelling of 5971640 in words is "five million, nine hundred seventy-one thousand, six hundred forty".