2316720 has 120 divisors (see below), whose sum is σ = 8396784. Its totient is φ = 526848.

The previous prime is 2316707. The next prime is 2316737. The reversal of 2316720 is 276132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nialpdrome in base 14.

It is a zygodrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11662 + ... + 11858.

2^2316720 is an apocalyptic number.

2316720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2316720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4198392).

2316720 is an abundant number, since it is smaller than the sum of its proper divisors (6080064).

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

2316720 is a wasteful number, since it uses less digits than its factorization.

2316720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 2316720 is about 1522.0775275918. The cubic root of 2316720 is about 132.3197025610.

The spelling of 2316720 in words is "two million, three hundred sixteen thousand, seven hundred twenty".