9977406 has 8 divisors (see below), whose sum is σ = 19954824. Its totient is φ = 3325800.

The previous prime is 9977399. The next prime is 9977411. The reversal of 9977406 is 6047799.

It is a sphenic number, since it is the product of 3 distinct primes.

9977406 is an admirable number.

It is a d-powerful number, because it can be written as 9³ + 9³ + 7⁵ + 7⁸ + 4¹¹ + 0 + 6² .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831445 + ... + 831456.

It is an arithmetic number, because the mean of its divisors is an integer number (2494353).

Almost surely, 2^9977406 is an apocalyptic number.

9977406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9977406 is a wasteful number, since it uses less digits than its factorization.

9977406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662906.

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

The square root of 9977406 is about 3158.7032149286. The cubic root of 9977406 is about 215.2810889900.

The spelling of 9977406 in words is "nine million, nine hundred seventy-seven thousand, four hundred six".