862487 has 2 divisors, whose sum is σ = 862488. Its totient is φ = 862486.

The previous prime is 862483. The next prime is 862493. The reversal of 862487 is 784268.

862487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 862487 - 2² = 862483 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 862487.

It is not a weakly prime, because it can be changed into another prime (862481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431243 + 431244.

It is an arithmetic number, because the mean of its divisors is an integer number (431244).

2⁸⁶²⁴⁸⁷ is an apocalyptic number.

862487 is a deficient number, since it is larger than the sum of its proper divisors (1).

862487 is an equidigital number, since it uses as much as digits as its factorization.

862487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 35.

The square root of 862487 is about 928.7017820592. The cubic root of 862487 is about 95.1884348519.

The spelling of 862487 in words is "eight hundred sixty-two thousand, four hundred eighty-seven".