9661534 has 8 divisors (see below), whose sum is σ = 14708808. Its totient is φ = 4758600.

The previous prime is 9661523. The next prime is 9661537. The reversal of 9661534 is 4351669.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9661534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9661537) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 35917 + ... + 36184.

It is an arithmetic number, because the mean of its divisors is an integer number (1838601).

Almost surely, 2^9661534 is an apocalyptic number.

9661534 is a deficient number, since it is larger than the sum of its proper divisors (5047274).

9661534 is a wasteful number, since it uses less digits than its factorization.

9661534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72170.

The product of its digits is 19440, while the sum is 34.

The square root of 9661534 is about 3108.3008219926. The cubic root of 9661534 is about 212.9848417288.

It can be divided in two parts, 966 and 1534, that added together give a square (2500 = 50²).

The spelling of 9661534 in words is "nine million, six hundred sixty-one thousand, five hundred thirty-four".