2923340 has 72 divisors (see below), whose sum is σ = 7565040. Its totient is φ = 943488.

The previous prime is 2923313. The next prime is 2923351. The reversal of 2923340 is 433292.

2923340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2923340 is an undulating number in base 12.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 18542 + ... + 18698.

It is an arithmetic number, because the mean of its divisors is an integer number (105070).

2^2923340 is an apocalyptic number.

2923340 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 2923340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3782520).

2923340 is an abundant number, since it is smaller than the sum of its proper divisors (4641700).

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

2923340 is a wasteful number, since it uses less digits than its factorization.

2923340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 2923340 is about 1709.7777633365. Note that the first 4 decimals coincide. The cubic root of 2923340 is about 142.9858658826.

The spelling of 2923340 in words is "two million, nine hundred twenty-three thousand, three hundred forty".