9977506 has 32 divisors (see below), whose sum is σ = 18957312. Its totient is φ = 3825360.

The previous prime is 9977503. The next prime is 9977509. The reversal of 9977506 is 6057799.

It is an interprime number because it is at equal distance from previous prime (9977503) and next prime (9977509).

It is not an unprimeable number, because it can be changed into a prime (9977503) 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 15 ways as a sum of consecutive naturals, for example, 9835 + ... + 10801.

It is an arithmetic number, because the mean of its divisors is an integer number (592416).

Almost surely, 2^9977506 is an apocalyptic number.

9977506 is a deficient number, since it is larger than the sum of its proper divisors (8979806).

9977506 is a wasteful number, since it uses less digits than its factorization.

9977506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054.

The product of its (nonzero) digits is 119070, while the sum is 43.

The square root of 9977506 is about 3158.7190441696. The cubic root of 9977506 is about 215.2818082162.

The spelling of 9977506 in words is "nine million, nine hundred seventy-seven thousand, five hundred six".