2919340 has 12 divisors (see below), whose sum is σ = 6130656. Its totient is φ = 1167728.

The previous prime is 2919317. The next prime is 2919341. The reversal of 2919340 is 439192.

It is a happy number.

2919340 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2919299 and 2919308.

It is not an unprimeable number, because it can be changed into a prime (2919341) 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, 72964 + ... + 73003.

It is an arithmetic number, because the mean of its divisors is an integer number (510888).

2^2919340 is an apocalyptic number.

2919340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2919340 is an abundant number, since it is smaller than the sum of its proper divisors (3211316).

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

2919340 is a wasteful number, since it uses less digits than its factorization.

2919340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145976 (or 145974 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2919340 is about 1708.6076202569. The cubic root of 2919340 is about 142.9206203615.

The spelling of 2919340 in words is "two million, nine hundred nineteen thousand, three hundred forty".