9977244 has 12 divisors (see below), whose sum is σ = 23280264. Its totient is φ = 3325744.

The previous prime is 9977237. The next prime is 9977251. The reversal of 9977244 is 4427799.

9977244 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9977237) and next prime (9977251).

It is a tau number, because it is divible by the number of its divisors (12).

It is a d-powerful number, because it can be written as 9³ + 9⁴ + 7⁴ + 7⁸ + 2¹³ + 4⁴ + 4¹¹ .

It is a junction number, because it is equal to n+sod(n) for n = 9977196 and 9977205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415707 + ... + 415730.

It is an arithmetic number, because the mean of its divisors is an integer number (1940022).

Almost surely, 2^9977244 is an apocalyptic number.

It is an amenable number.

9977244 is an abundant number, since it is smaller than the sum of its proper divisors (13303020).

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

9977244 is a wasteful number, since it uses less digits than its factorization.

9977244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831444 (or 831442 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 9977244 is about 3158.6775713896. The cubic root of 9977244 is about 215.2799238332.

The spelling of 9977244 in words is "nine million, nine hundred seventy-seven thousand, two hundred forty-four".