986958431 has 4 divisors (see below), whose sum is σ = 1003686600. Its totient is φ = 970230264.

The previous prime is 986958419. The next prime is 986958449. The reversal of 986958431 is 134859689.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134859689 = 73 ⋅1847393.

It is a cyclic number.

It is not a de Polignac number, because 986958431 - 2⁶ = 986958367 is a prime.

It is a super-2 number, since 2×986958431² = 1948173889043963522, 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 (986958031) 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, 8363996 + ... + 8364113.

It is an arithmetic number, because the mean of its divisors is an integer number (250921650).

Almost surely, 2^986958431 is an apocalyptic number.

986958431 is a deficient number, since it is larger than the sum of its proper divisors (16728169).

986958431 is a wasteful number, since it uses less digits than its factorization.

986958431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16728168.

The product of its digits is 1866240, while the sum is 53.

The square root of 986958431 is about 31415.8945599198. The cubic root of 986958431 is about 995.6337741510.

The spelling of 986958431 in words is "nine hundred eighty-six million, nine hundred fifty-eight thousand, four hundred thirty-one".