8961554 has 16 divisors (see below), whose sum is σ = 15458688. Its totient is φ = 3816672.

The previous prime is 8961527. The next prime is 8961583. The reversal of 8961554 is 4551698.

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, 422 + ... + 4254.

It is an arithmetic number, because the mean of its divisors is an integer number (966168).

Almost surely, 2^8961554 is an apocalyptic number.

8961554 is a deficient number, since it is larger than the sum of its proper divisors (6497134).

8961554 is a wasteful number, since it uses less digits than its factorization.

8961554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4009.

The product of its digits is 43200, while the sum is 38.

The square root of 8961554 is about 2993.5854756462. The cubic root of 8961554 is about 207.7117710225.

The spelling of 8961554 in words is "eight million, nine hundred sixty-one thousand, five hundred fifty-four".