9780990414 has 64 divisors (see below), whose sum is σ = 21458594304. Its totient is φ = 2954030976.

The previous prime is 9780990397. The next prime is 9780990431. The reversal of 9780990414 is 4140990879.

It is an interprime number because it is at equal distance from previous prime (9780990397) and next prime (9780990431).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1011607 + ... + 1021229.

It is an arithmetic number, because the mean of its divisors is an integer number (335290536).

Almost surely, 2^9780990414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9780990414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10729297152).

9780990414 is an abundant number, since it is smaller than the sum of its proper divisors (11677603890).

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

9780990414 is a wasteful number, since it uses less digits than its factorization.

9780990414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9881.

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 9780990414 is about 98898.8898522122. The cubic root of 9780990414 is about 2138.5903907381.

The spelling of 9780990414 in words is "nine billion, seven hundred eighty million, nine hundred ninety thousand, four hundred fourteen".