2115938 has 8 divisors (see below), whose sum is σ = 3462480. Its totient is φ = 961780.

The previous prime is 2115937. The next prime is 2115943. The reversal of 2115938 is 8395112.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2115938.

It is not an unprimeable number, because it can be changed into a prime (2115937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48068 + ... + 48111.

It is an arithmetic number, because the mean of its divisors is an integer number (432810).

2^2115938 is an apocalyptic number.

2115938 is a deficient number, since it is larger than the sum of its proper divisors (1346542).

2115938 is a wasteful number, since it uses less digits than its factorization.

2115938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96192.

The product of its digits is 2160, while the sum is 29.

The square root of 2115938 is about 1454.6264125197. The cubic root of 2115938 is about 128.3810665561.

The spelling of 2115938 in words is "two million, one hundred fifteen thousand, nine hundred thirty-eight".