2921938 has 8 divisors (see below), whose sum is σ = 4410288. Its totient is φ = 1451844.

The previous prime is 2921929. The next prime is 2921951. The reversal of 2921938 is 8391292.

2921938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 3 ways as a sum of consecutive naturals, for example, 4156 + ... + 4807.

It is an arithmetic number, because the mean of its divisors is an integer number (551286).

2^2921938 is an apocalyptic number.

2921938 is a deficient number, since it is larger than the sum of its proper divisors (1488350).

2921938 is a wasteful number, since it uses less digits than its factorization.

2921938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9128.

The product of its digits is 7776, while the sum is 34.

The square root of 2921938 is about 1709.3677193629. The cubic root of 2921938 is about 142.9630041058.

The spelling of 2921938 in words is "two million, nine hundred twenty-one thousand, nine hundred thirty-eight".