7898384 has 60 divisors (see below), whose sum is σ = 17427456. Its totient is φ = 3459456.

The previous prime is 7898377. The next prime is 7898393. The reversal of 7898384 is 4838987.

It is a super-2 number, since 2×7898384² = 124768939622912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62129 + ... + 62255.

Almost surely, 2^7898384 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 7898384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8713728).

7898384 is an abundant number, since it is smaller than the sum of its proper divisors (9529072).

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

7898384 is a wasteful number, since it uses less digits than its factorization.

7898384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 165 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 7898384 is about 2810.4063763093. The cubic root of 7898384 is about 199.1495891319.

The spelling of 7898384 in words is "seven million, eight hundred ninety-eight thousand, three hundred eighty-four".