2152438 has 32 divisors (see below), whose sum is σ = 3693600. Its totient is φ = 935424.

The previous prime is 2152433. The next prime is 2152457. The reversal of 2152438 is 8342512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36453 + ... + 36511.

It is an arithmetic number, because the mean of its divisors is an integer number (115425).

2^2152438 is an apocalyptic number.

2152438 is a deficient number, since it is larger than the sum of its proper divisors (1541162).

2152438 is a wasteful number, since it uses less digits than its factorization.

2152438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144.

The product of its digits is 1920, while the sum is 25.

The square root of 2152438 is about 1467.1189454165. The cubic root of 2152438 is about 129.1150546949.

The spelling of 2152438 in words is "two million, one hundred fifty-two thousand, four hundred thirty-eight".