988417 has 2 divisors, whose sum is σ = 988418. Its totient is φ = 988416.

The previous prime is 988409. The next prime is 988439. The reversal of 988417 is 714889.

988417 = 26⁴ + 27⁴.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 531441 + 456976 = 729^2 + 676^2 .

It is a cyclic number.

It is not a de Polignac number, because 988417 - 2³ = 988409 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (988217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494208 + 494209.

It is an arithmetic number, because the mean of its divisors is an integer number (494209).

2⁹⁸⁸⁴¹⁷ is an apocalyptic number.

It is an amenable number.

988417 is a deficient number, since it is larger than the sum of its proper divisors (1).

988417 is an equidigital number, since it uses as much as digits as its factorization.

988417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 37.

The square root of 988417 is about 994.1916314273. The cubic root of 988417 is about 99.6123996003.

It can be divided in two parts, 98 and 8417, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 988417 in words is "nine hundred eighty-eight thousand, four hundred seventeen".