8687401 has 2 divisors, whose sum is σ = 8687402. Its totient is φ = 8687400.

The previous prime is 8687387. The next prime is 8687423. The reversal of 8687401 is 1047868.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8271376 + 416025 = 2876^2 + 645^2 .

It is a cyclic number.

It is not a de Polignac number, because 8687401 - 2⁵ = 8687369 is a prime.

It is a super-2 number, since 2×8687401² = 150941872269602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8687461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4343700 + 4343701.

It is an arithmetic number, because the mean of its divisors is an integer number (4343701).

Almost surely, 2^8687401 is an apocalyptic number.

It is an amenable number.

8687401 is a deficient number, since it is larger than the sum of its proper divisors (1).

8687401 is an equidigital number, since it uses as much as digits as its factorization.

8687401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 8687401 is about 2947.4397364492. The cubic root of 8687401 is about 205.5716820830.

The spelling of 8687401 in words is "eight million, six hundred eighty-seven thousand, four hundred one".