2339720 has 32 divisors (see below), whose sum is σ = 5448600. Its totient is φ = 903168.

The previous prime is 2339719. The next prime is 2339731. The reversal of 2339720 is 279332.

It can be written as a sum of positive squares in 4 ways, for example, as 2184484 + 155236 = 1478^2 + 394^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2339720.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152 + ... + 2168.

2^2339720 is an apocalyptic number.

2339720 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 2339720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2724300).

2339720 is an abundant number, since it is smaller than the sum of its proper divisors (3108880).

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

2339720 is a wasteful number, since it uses less digits than its factorization.

2339720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057 (or 2053 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 2339720 is about 1529.6143304768. The cubic root of 2339720 is about 132.7561438869.

The spelling of 2339720 in words is "two million, three hundred thirty-nine thousand, seven hundred twenty".