2040378 has 8 divisors (see below), whose sum is σ = 4080768. Its totient is φ = 680124.

The previous prime is 2040377. The next prime is 2040403. The reversal of 2040378 is 8730402.

It is a sphenic number, since it is the product of 3 distinct primes.

2040378 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2040377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170026 + ... + 170037.

It is an arithmetic number, because the mean of its divisors is an integer number (510096).

2^2040378 is an apocalyptic number.

2040378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2040378 is a wasteful number, since it uses less digits than its factorization.

2040378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340068.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 2040378 is about 1428.4180060472. The cubic root of 2040378 is about 126.8343470263.

Adding to 2040378 its sum of digits (24), we get a palindrome (2040402).

The spelling of 2040378 in words is "two million, forty thousand, three hundred seventy-eight".