987293 has 2 divisors, whose sum is σ = 987294. Its totient is φ = 987292.

The previous prime is 987251. The next prime is 987299. The reversal of 987293 is 392789.

987293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 611524 + 375769 = 782^2 + 613^2 .

It is a cyclic number.

It is not a de Polignac number, because 987293 - 2¹² = 983197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (987299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493646 + 493647.

It is an arithmetic number, because the mean of its divisors is an integer number (493647).

2⁹⁸⁷²⁹³ is an apocalyptic number.

It is an amenable number.

987293 is a deficient number, since it is larger than the sum of its proper divisors (1).

987293 is an equidigital number, since it uses as much as digits as its factorization.

987293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 987293 is about 993.6261872555. The cubic root of 987293 is about 99.5746264726.

The spelling of 987293 in words is "nine hundred eighty-seven thousand, two hundred ninety-three".