10989477 has 12 divisors (see below), whose sum is σ = 15912000. Its totient is φ = 7308648.

The previous prime is 10989443. The next prime is 10989499. The reversal of 10989477 is 77498901.

It is a de Polignac number, because none of the positive numbers 2^k-10989477 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10989427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3268 + ... + 5714.

It is an arithmetic number, because the mean of its divisors is an integer number (1326000).

Almost surely, 2^10989477 is an apocalyptic number.

It is an amenable number.

10989477 is a deficient number, since it is larger than the sum of its proper divisors (4922523).

10989477 is a wasteful number, since it uses less digits than its factorization.

10989477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2952 (or 2949 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 10989477 is about 3315.0380088319. The cubic root of 10989477 is about 222.3270684231.

The spelling of 10989477 in words is "ten million, nine hundred eighty-nine thousand, four hundred seventy-seven".