5261988 has 12 divisors (see below), whose sum is σ = 12278000. Its totient is φ = 1753992.

The previous prime is 5261983. The next prime is 5261989. The reversal of 5261988 is 8891625.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (5261983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219238 + ... + 219261.

Almost surely, 2^5261988 is an apocalyptic number.

It is an amenable number.

5261988 is an abundant number, since it is smaller than the sum of its proper divisors (7016012).

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

5261988 is a wasteful number, since it uses less digits than its factorization.

5261988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438506 (or 438504 counting only the distinct ones).

The product of its digits is 34560, while the sum is 39.

The square root of 5261988 is about 2293.9023518886. The cubic root of 5261988 is about 173.9335193247.

The spelling of 5261988 in words is "five million, two hundred sixty-one thousand, nine hundred eighty-eight".