5671890 has 64 divisors (see below), whose sum is σ = 17291520. Its totient is φ = 1296000.

The previous prime is 5671877. The next prime is 5671921. The reversal of 5671890 is 981765.

5671890 is a `hidden beast` number, since 567 + 1 + 8 + 90 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390 + ... + 3390.

It is an arithmetic number, because the mean of its divisors is an integer number (270180).

Almost surely, 2^5671890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5671890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8645760).

5671890 is an abundant number, since it is smaller than the sum of its proper divisors (11619630).

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

5671890 is a wasteful number, since it uses less digits than its factorization.

5671890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024 (or 3018 counting only the distinct ones).

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

The square root of 5671890 is about 2381.5730095884. The cubic root of 5671890 is about 178.3374694550.

It can be divided in two parts, 5671 and 890, that added together give a 8-th power (6561 = 3⁸).

The spelling of 5671890 in words is "five million, six hundred seventy-one thousand, eight hundred ninety".