2379720 has 64 divisors (see below), whose sum is σ = 8161920. Its totient is φ = 543744.

The previous prime is 2379703. The next prime is 2379721. The reversal of 2379720 is 279732.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2379721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577 + ... + 2256.

It is an arithmetic number, because the mean of its divisors is an integer number (127530).

2^2379720 is an apocalyptic number.

2379720 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 2379720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4080960).

2379720 is an abundant number, since it is smaller than the sum of its proper divisors (5782200).

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

2379720 is a wasteful number, since it uses less digits than its factorization.

2379720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854 (or 2850 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 2379720 is about 1542.6341108636. The cubic root of 2379720 is about 133.5084089024.

The spelling of 2379720 in words is "two million, three hundred seventy-nine thousand, seven hundred twenty".