2154328 has 16 divisors (see below), whose sum is σ = 4406760. Its totient is φ = 979200.

The previous prime is 2154319. The next prime is 2154329. The reversal of 2154328 is 8234512.

2154328 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2154328² = 9282258263168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12153 + ... + 12328.

2^2154328 is an apocalyptic number.

It is an amenable number.

2154328 is an abundant number, since it is smaller than the sum of its proper divisors (2252432).

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

2154328 is a wasteful number, since it uses less digits than its factorization.

2154328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24498 (or 24494 counting only the distinct ones).

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

The square root of 2154328 is about 1467.7629236358. The cubic root of 2154328 is about 129.1528344998.

The spelling of 2154328 in words is "two million, one hundred fifty-four thousand, three hundred twenty-eight".