2287380 has 48 divisors (see below), whose sum is σ = 6511680. Its totient is φ = 599808.

The previous prime is 2287343. The next prime is 2287381. The reversal of 2287380 is 837822.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287381) 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, 3736 + ... + 4304.

It is an arithmetic number, because the mean of its divisors is an integer number (135660).

2^2287380 is an apocalyptic number.

2287380 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 2287380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3255840).

2287380 is an abundant number, since it is smaller than the sum of its proper divisors (4224300).

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

2287380 is a wasteful number, since it uses less digits than its factorization.

2287380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 2287380 is about 1512.4086749288. The cubic root of 2287380 is about 131.7587420551.

The spelling of 2287380 in words is "two million, two hundred eighty-seven thousand, three hundred eighty".