8987251 has 24 divisors (see below), whose sum is σ = 11384064. Its totient is φ = 6945120.

The previous prime is 8987243. The next prime is 8987269. The reversal of 8987251 is 1527898.

It is not a de Polignac number, because 8987251 - 2³ = 8987243 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8987221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83940 + ... + 84046.

It is an arithmetic number, because the mean of its divisors is an integer number (474336).

Almost surely, 2^8987251 is an apocalyptic number.

8987251 is a deficient number, since it is larger than the sum of its proper divisors (2396813).

8987251 is a wasteful number, since it uses less digits than its factorization.

8987251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 198 counting only the distinct ones).

The product of its digits is 40320, while the sum is 40.

The square root of 8987251 is about 2997.8744136471. The cubic root of 8987251 is about 207.9101174148.

The spelling of 8987251 in words is "eight million, nine hundred eighty-seven thousand, two hundred fifty-one".