9906477 has 12 divisors (see below), whose sum is σ = 15365376. Its totient is φ = 5660760.

The previous prime is 9906473. The next prime is 9906493. The reversal of 9906477 is 7746099.

9906477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9906477 - 2² = 9906473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9906473) 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, 33549 + ... + 33842.

It is an arithmetic number, because the mean of its divisors is an integer number (1280448).

Almost surely, 2^9906477 is an apocalyptic number.

It is an amenable number.

9906477 is a deficient number, since it is larger than the sum of its proper divisors (5458899).

9906477 is a wasteful number, since it uses less digits than its factorization.

9906477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67408 (or 67401 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 9906477 is about 3147.4556390837. The cubic root of 9906477 is about 214.7697336408.

The spelling of 9906477 in words is "nine million, nine hundred six thousand, four hundred seventy-seven".