8531964 has 36 divisors (see below), whose sum is σ = 24648624. Its totient is φ = 2437632.

The previous prime is 8531947. The next prime is 8532019. The reversal of 8531964 is 4691358.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 16677 + ... + 17180.

It is an arithmetic number, because the mean of its divisors is an integer number (684684).

Almost surely, 2^8531964 is an apocalyptic number.

8531964 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8531964 is an abundant number, since it is smaller than the sum of its proper divisors (16116660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8531964 is a wasteful number, since it uses less digits than its factorization.

8531964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33874 (or 33869 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 8531964 is about 2920.9525843464. The cubic root of 8531964 is about 204.3382508343.

Subtracting from 8531964 its reverse (4691358), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 8531964 in words is "eight million, five hundred thirty-one thousand, nine hundred sixty-four".