654132438 has 12 divisors (see below), whose sum is σ = 1417286988. Its totient is φ = 218044140.

The previous prime is 654132431. The next prime is 654132481. The reversal of 654132438 is 834231456.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654132431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18170328 + ... + 18170363.

It is an arithmetic number, because the mean of its divisors is an integer number (118107249).

Almost surely, 2^654132438 is an apocalyptic number.

654132438 is an abundant number, since it is smaller than the sum of its proper divisors (763154550).

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

654132438 is a wasteful number, since it uses less digits than its factorization.

654132438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36340699 (or 36340696 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 654132438 is about 25576.0129418172. The cubic root of 654132438 is about 868.0709617635.

The spelling of 654132438 in words is "six hundred fifty-four million, one hundred thirty-two thousand, four hundred thirty-eight".