2078140 has 24 divisors (see below), whose sum is σ = 4515840. Its totient is φ = 802368.

The previous prime is 2078123. The next prime is 2078149. The reversal of 2078140 is 418702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212 + ... + 2371.

It is an arithmetic number, because the mean of its divisors is an integer number (188160).

2^2078140 is an apocalyptic number.

2078140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2078140 is an abundant number, since it is smaller than the sum of its proper divisors (2437700).

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

2078140 is a wasteful number, since it uses less digits than its factorization.

2078140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621 (or 3619 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 2078140 is about 1441.5755269843. The cubic root of 2078140 is about 127.6120250850.

The spelling of 2078140 in words is "two million, seventy-eight thousand, one hundred forty".