8961544 has 32 divisors (see below), whose sum is σ = 17424000. Its totient is φ = 4318272.

The previous prime is 8961527. The next prime is 8961583. The reversal of 8961544 is 4451698.

It is a happy number.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37377 + ... + 37615.

It is an arithmetic number, because the mean of its divisors is an integer number (544500).

Almost surely, 2^8961544 is an apocalyptic number.

It is an amenable number.

8961544 is a deficient number, since it is larger than the sum of its proper divisors (8462456).

8961544 is a wasteful number, since it uses less digits than its factorization.

8961544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 393 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 8961544 is about 2993.5838054078. The cubic root of 8961544 is about 207.7116937622.

It can be divided in two parts, 8961 and 544, that multiplied together give a palindrome (4874784).

The spelling of 8961544 in words is "eight million, nine hundred sixty-one thousand, five hundred forty-four".