2154384 has 40 divisors (see below), whose sum is σ = 6185120. Its totient is φ = 717984.

The previous prime is 2154331. The next prime is 2154389. The reversal of 2154384 is 4834512.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 in 7 ways as a sum of consecutive naturals, for example, 2062 + ... + 2925.

It is an arithmetic number, because the mean of its divisors is an integer number (154628).

2^2154384 is an apocalyptic number.

2154384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2154384 is an abundant number, since it is smaller than the sum of its proper divisors (4030736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2154384 is a wasteful number, since it uses less digits than its factorization.

2154384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004 (or 4992 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 2154384 is about 1467.7820001621. The cubic root of 2154384 is about 129.1539535644.

Adding to 2154384 its reverse (4834512), we get a palindrome (6988896).

The spelling of 2154384 in words is "two million, one hundred fifty-four thousand, three hundred eighty-four".