986431 has 8 divisors (see below), whose sum is σ = 1018784. Its totient is φ = 954720.

The previous prime is 986429. The next prime is 986437. The reversal of 986431 is 134689.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 986431 - 2¹ = 986429 is a prime.

It is a super-2 number, since 2×986431² = 1946092235522, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 986393 and 986402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6205 + ... + 6361.

It is an arithmetic number, because the mean of its divisors is an integer number (127348).

2⁹⁸⁶⁴³¹ is an apocalyptic number.

986431 is a deficient number, since it is larger than the sum of its proper divisors (32353).

986431 is a wasteful number, since it uses less digits than its factorization.

986431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321.

The product of its digits is 5184, while the sum is 31.

The square root of 986431 is about 993.1923277996. The cubic root of 986431 is about 99.5456386846.

The spelling of 986431 in words is "nine hundred eighty-six thousand, four hundred thirty-one".