2154832 has 10 divisors (see below), whose sum is σ = 4175018. Its totient is φ = 1077408.

The previous prime is 2154829. The next prime is 2154839. The reversal of 2154832 is 2384512.

It can be written as a sum of positive squares in only one way, i.e., 2085136 + 69696 = 1444^2 + 264^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2154797 and 2154806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67323 + ... + 67354.

2^2154832 is an apocalyptic number.

It is an amenable number.

2154832 is a deficient number, since it is larger than the sum of its proper divisors (2020186).

2154832 is a wasteful number, since it uses less digits than its factorization.

2154832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134685 (or 134679 counting only the distinct ones).

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

The square root of 2154832 is about 1467.9346034480. The cubic root of 2154832 is about 129.1629053824.

The spelling of 2154832 in words is "two million, one hundred fifty-four thousand, eight hundred thirty-two".