2078380 has 12 divisors (see below), whose sum is σ = 4364640. Its totient is φ = 831344.

The previous prime is 2078371. The next prime is 2078389. The reversal of 2078380 is 838702.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2078371) and next prime (2078389).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51940 + ... + 51979.

It is an arithmetic number, because the mean of its divisors is an integer number (363720).

2^2078380 is an apocalyptic number.

2078380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2078380 is an abundant number, since it is smaller than the sum of its proper divisors (2286260).

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

2078380 is a wasteful number, since it uses less digits than its factorization.

2078380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103928 (or 103926 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2078380 is about 1441.6587668377. The cubic root of 2078380 is about 127.6169374437.

It can be divided in two parts, 20 and 78380, that added together give a square (78400 = 280²).

The spelling of 2078380 in words is "two million, seventy-eight thousand, three hundred eighty".