986433493 has 4 divisors (see below), whose sum is σ = 989260300. Its totient is φ = 983606688.

The previous prime is 986433479. The next prime is 986433523. The reversal of 986433493 is 394334689.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 470325969 + 516107524 = 21687^2 + 22718^2 .

It is a cyclic number.

It is not a de Polignac number, because 986433493 - 2²¹ = 984336341 is a prime.

It is a super-2 number, since 2×986433493² = 1946102072224362098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986433433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1412880 + ... + 1413577.

It is an arithmetic number, because the mean of its divisors is an integer number (247315075).

Almost surely, 2^986433493 is an apocalyptic number.

It is an amenable number.

986433493 is a deficient number, since it is larger than the sum of its proper divisors (2826807).

986433493 is a wasteful number, since it uses less digits than its factorization.

986433493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826806.

The product of its digits is 1679616, while the sum is 49.

The square root of 986433493 is about 31407.5387924619. The cubic root of 986433493 is about 995.4572254488.

The spelling of 986433493 in words is "nine hundred eighty-six million, four hundred thirty-three thousand, four hundred ninety-three".