2378740 has 48 divisors (see below), whose sum is σ = 6152832. Its totient is φ = 752256.

The previous prime is 2378737. The next prime is 2378749. The reversal of 2378740 is 478732.

2378740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2378749) 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 15 ways as a sum of consecutive naturals, for example, 1167 + ... + 2473.

It is an arithmetic number, because the mean of its divisors is an integer number (128184).

2^2378740 is an apocalyptic number.

2378740 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 2378740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3076416).

2378740 is an abundant number, since it is smaller than the sum of its proper divisors (3774092).

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

2378740 is a wasteful number, since it uses less digits than its factorization.

2378740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336 (or 1334 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 2378740 is about 1542.3164396452. The cubic root of 2378740 is about 133.4900795464.

The spelling of 2378740 in words is "two million, three hundred seventy-eight thousand, seven hundred forty".