9776406 has 16 divisors (see below), whose sum is σ = 19636848. Its totient is φ = 3244800.

The previous prime is 9776387. The next prime is 9776407. The reversal of 9776406 is 6046779.

It is a super-2 number, since 2×9776406² = 191156228553672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9776407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1935 + ... + 4826.

It is an arithmetic number, because the mean of its divisors is an integer number (1227303).

Almost surely, 2^9776406 is an apocalyptic number.

9776406 is an abundant number, since it is smaller than the sum of its proper divisors (9860442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9776406 is a wasteful number, since it uses less digits than its factorization.

9776406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7007.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 9776406 is about 3126.7244841847. The cubic root of 9776406 is about 213.8256214768.

The spelling of 9776406 in words is "nine million, seven hundred seventy-six thousand, four hundred six".