986934953 has 4 divisors (see below), whose sum is σ = 988995840. Its totient is φ = 984874068.

The previous prime is 986934947. The next prime is 986935007. The reversal of 986934953 is 359439689.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 359439689 = 7 ⋅51348527.

It is a cyclic number.

It is not a de Polignac number, because 986934953 - 2¹⁶ = 986869417 is a prime.

It is a super-2 number, since 2×986934953² = 1948081202906224418, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (986939953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1029725 + ... + 1030682.

It is an arithmetic number, because the mean of its divisors is an integer number (247248960).

Almost surely, 2^986934953 is an apocalyptic number.

It is an amenable number.

986934953 is a deficient number, since it is larger than the sum of its proper divisors (2060887).

986934953 is a wasteful number, since it uses less digits than its factorization.

986934953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060886.

The product of its digits is 6298560, while the sum is 56.

The square root of 986934953 is about 31415.5208933419. The cubic root of 986934953 is about 995.6258792980.

The spelling of 986934953 in words is "nine hundred eighty-six million, nine hundred thirty-four thousand, nine hundred fifty-three".