2102438 has 8 divisors (see below), whose sum is σ = 3396288. Its totient is φ = 970344.

The previous prime is 2102431. The next prime is 2102459. The reversal of 2102438 is 8342012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102431) 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, 40406 + ... + 40457.

It is an arithmetic number, because the mean of its divisors is an integer number (424536).

2^2102438 is an apocalyptic number.

2102438 is a deficient number, since it is larger than the sum of its proper divisors (1293850).

2102438 is a wasteful number, since it uses less digits than its factorization.

2102438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80878.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2102438 is about 1449.9786205320. The cubic root of 2102438 is about 128.1074537146.

The spelling of 2102438 in words is "two million, one hundred two thousand, four hundred thirty-eight".