2154372 has 48 divisors (see below), whose sum is σ = 5779200. Its totient is φ = 617760.

The previous prime is 2154331. The next prime is 2154389. The reversal of 2154372 is 2734512.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2079 + ... + 2937.

It is an arithmetic number, because the mean of its divisors is an integer number (120400).

2^2154372 is an apocalyptic number.

2154372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2154372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2889600).

2154372 is an abundant number, since it is smaller than the sum of its proper divisors (3624828).

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

2154372 is a wasteful number, since it uses less digits than its factorization.

2154372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896 (or 894 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 2154372 is about 1467.7779123560. Note that the first 3 decimals coincide. The cubic root of 2154372 is about 129.1537137664.

Adding to 2154372 its reverse (2734512), we get a palindrome (4888884).

The spelling of 2154372 in words is "two million, one hundred fifty-four thousand, three hundred seventy-two".