2154382 has 4 divisors (see below), whose sum is σ = 3231576. Its totient is φ = 1077190.

The previous prime is 2154331. The next prime is 2154389. The reversal of 2154382 is 2834512.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538594 + ... + 538597.

It is an arithmetic number, because the mean of its divisors is an integer number (807894).

2^2154382 is an apocalyptic number.

2154382 is a deficient number, since it is larger than the sum of its proper divisors (1077194).

2154382 is a wasteful number, since it uses less digits than its factorization.

2154382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077193.

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

The square root of 2154382 is about 1467.7813188619. The cubic root of 2154382 is about 129.1539135981.

Adding to 2154382 its reverse (2834512), we get a palindrome (4988894).

The spelling of 2154382 in words is "two million, one hundred fifty-four thousand, three hundred eighty-two".