5185890 has 32 divisors (see below), whose sum is σ = 13829760. Its totient is φ = 1382832.

The previous prime is 5185889. The next prime is 5185913. The reversal of 5185890 is 985815.

5185890 is a `hidden beast` number, since 518 + 58 + 90 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9334 + ... + 9873.

It is an arithmetic number, because the mean of its divisors is an integer number (432180).

Almost surely, 2^5185890 is an apocalyptic number.

5185890 is an abundant number, since it is smaller than the sum of its proper divisors (8643870).

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

5185890 is a wasteful number, since it uses less digits than its factorization.

5185890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19223 (or 19217 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The square root of 5185890 is about 2277.2549264410. The cubic root of 5185890 is about 173.0909786876.

The spelling of 5185890 in words is "five million, one hundred eighty-five thousand, eight hundred ninety".