43538796 has 120 divisors (see below), whose sum is σ = 132267520. Its totient is φ = 12282192.

The previous prime is 43538791. The next prime is 43538801. The reversal of 43538796 is 69783534.

43538796 is a `hidden beast` number, since 43 + 538 + 79 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (43538791) and next prime (43538801).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43538791) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 551085 + ... + 551163.

Almost surely, 2^43538796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43538796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66133760).

43538796 is an abundant number, since it is smaller than the sum of its proper divisors (88728724).

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

43538796 is an frugal number, since it uses more digits than its factorization.

43538796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 91 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 43538796 is about 6598.3934408309. The cubic root of 43538796 is about 351.7970054612.

The spelling of 43538796 in words is "forty-three million, five hundred thirty-eight thousand, seven hundred ninety-six".