5671980 has 36 divisors (see below), whose sum is σ = 17205552. Its totient is φ = 1512480.

The previous prime is 5671979. The next prime is 5671987. The reversal of 5671980 is 891765.

5671980 is a `hidden beast` number, since 567 + 1 + 98 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5671987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15576 + ... + 15935.

It is an arithmetic number, because the mean of its divisors is an integer number (477932).

Almost surely, 2^5671980 is an apocalyptic number.

It is an amenable number.

5671980 is an abundant number, since it is smaller than the sum of its proper divisors (11533572).

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

5671980 is a wasteful number, since it uses less digits than its factorization.

5671980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31526 (or 31521 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 5671980 is about 2381.5919045882. The cubic root of 5671980 is about 178.3384127201.

The spelling of 5671980 in words is "five million, six hundred seventy-one thousand, nine hundred eighty".