986742331 has 8 divisors (see below), whose sum is σ = 997220160. Its totient is φ = 976317888.

The previous prime is 986742319. The next prime is 986742391. The reversal of 986742331 is 133247689.

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 986742331 - 2¹³ = 986734139 is a prime.

It is a super-2 number, since 2×986742331² = 1947320855574627122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (986742301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24375 + ... + 50671.

It is an arithmetic number, because the mean of its divisors is an integer number (124652520).

Almost surely, 2^986742331 is an apocalyptic number.

986742331 is a deficient number, since it is larger than the sum of its proper divisors (10477829).

986742331 is a wasteful number, since it uses less digits than its factorization.

986742331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26693.

The product of its digits is 217728, while the sum is 43.

The square root of 986742331 is about 31412.4550298126. The cubic root of 986742331 is about 995.5611023420.

The spelling of 986742331 in words is "nine hundred eighty-six million, seven hundred forty-two thousand, three hundred thirty-one".