2684416 has 60 divisors (see below), whose sum is σ = 6297588. Its totient is φ = 1139712.

The previous prime is 2684401. The next prime is 2684431. The reversal of 2684416 is 6144862.

It is an interprime number because it is at equal distance from previous prime (2684401) and next prime (2684431).

It is a super-2 number, since 2×2684416² = 14412178522112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25035 + ... + 25141.

2^2684416 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 2684416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3148794).

2684416 is an abundant number, since it is smaller than the sum of its proper divisors (3613172).

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

2684416 is an equidigital number, since it uses as much as digits as its factorization.

2684416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 116 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 2684416 is about 1638.4187498927. The cubic root of 2684416 is about 138.9792422810.

The spelling of 2684416 in words is "two million, six hundred eighty-four thousand, four hundred sixteen".