988357 has 2 divisors, whose sum is σ = 988358. Its totient is φ = 988356.

The previous prime is 988343. The next prime is 988367. The reversal of 988357 is 753889.

988357 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., 863041 + 125316 = 929^2 + 354^2 .

It is a cyclic number.

It is not a de Polignac number, because 988357 - 2¹⁹ = 464069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (988367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494178 + 494179.

It is an arithmetic number, because the mean of its divisors is an integer number (494179).

2⁹⁸⁸³⁵⁷ is an apocalyptic number.

It is an amenable number.

988357 is a deficient number, since it is larger than the sum of its proper divisors (1).

988357 is an equidigital number, since it uses as much as digits as its factorization.

988357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 40.

The square root of 988357 is about 994.1614557002. The cubic root of 988357 is about 99.6103839649.

The spelling of 988357 in words is "nine hundred eighty-eight thousand, three hundred fifty-seven".