9979416 has 64 divisors (see below), whose sum is σ = 28339200. Its totient is φ = 3252384.

The previous prime is 9979399. The next prime is 9979433. The reversal of 9979416 is 6149799.

It is an interprime number because it is at equal distance from previous prime (9979399) and next prime (9979433).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9661 + ... + 10643.

It is an arithmetic number, because the mean of its divisors is an integer number (442800).

Almost surely, 2^9979416 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 9979416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14169600).

9979416 is an abundant number, since it is smaller than the sum of its proper divisors (18359784).

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

9979416 is a wasteful number, since it uses less digits than its factorization.

9979416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045 (or 1035 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 9979416 is about 3159.0213674491. The cubic root of 9979416 is about 215.2955445153.

The spelling of 9979416 in words is "nine million, nine hundred seventy-nine thousand, four hundred sixteen".