9977424 has 40 divisors (see below), whose sum is σ = 26025120. Its totient is φ = 3293568.

The previous prime is 9977411. The next prime is 9977437. The reversal of 9977424 is 4247799.

It is an interprime number because it is at equal distance from previous prime (9977411) and next prime (9977437).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4279 + ... + 6185.

It is an arithmetic number, because the mean of its divisors is an integer number (650628).

Almost surely, 2^9977424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9977424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13012560).

9977424 is an abundant number, since it is smaller than the sum of its proper divisors (16047696).

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

9977424 is a wasteful number, since it uses less digits than its factorization.

9977424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027 (or 2021 counting only the distinct ones).

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

The square root of 9977424 is about 3158.7060641978. The cubic root of 9977424 is about 215.2812184510.

It can be divided in two parts, 9977 and 424, that added together give a palindrome (10401).

The spelling of 9977424 in words is "nine million, nine hundred seventy-seven thousand, four hundred twenty-four".