986429 has 2 divisors, whose sum is σ = 986430. Its totient is φ = 986428.

The previous prime is 986417. The next prime is 986437. The reversal of 986429 is 924689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 683929 + 302500 = 827^2 + 550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-986429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 986392 and 986401.

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 986429.

It is not a weakly prime, because it can be changed into another prime (986729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493214 + 493215.

It is an arithmetic number, because the mean of its divisors is an integer number (493215).

2⁹⁸⁶⁴²⁹ is an apocalyptic number.

It is an amenable number.

986429 is a deficient number, since it is larger than the sum of its proper divisors (1).

986429 is an equidigital number, since it uses as much as digits as its factorization.

986429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 986429 is about 993.1913209448. The cubic root of 986429 is about 99.5455714079.

It can be divided in two parts, 98642 and 9, that multiplied together give a triangular number (887778 = T₁₃₃₂).

The spelling of 986429 in words is "nine hundred eighty-six thousand, four hundred twenty-nine".