43538496 has 56 divisors (see below), whose sum is σ = 121980960. Its totient is φ = 13658112.

The previous prime is 43538491. The next prime is 43538501. The reversal of 43538496 is 69483534.

It is an interprime number because it is at equal distance from previous prime (43538491) and next prime (43538501).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (43538491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3406 + ... + 9933.

Almost surely, 2^43538496 is an apocalyptic number.

It is an amenable number.

43538496 is an abundant number, since it is smaller than the sum of its proper divisors (78442464).

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

43538496 is a wasteful number, since it uses less digits than its factorization.

43538496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13371 (or 13361 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 43538496 is about 6598.3707079854. The cubic root of 43538496 is about 351.7961974513.

The spelling of 43538496 in words is "forty-three million, five hundred thirty-eight thousand, four hundred ninety-six".