43542996 has 48 divisors (see below), whose sum is σ = 116624256. Its totient is φ = 12386304.

The previous prime is 43542973. The next prime is 43542997. The reversal of 43542996 is 69924534.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43542997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20580 + ... + 22596.

It is an arithmetic number, because the mean of its divisors is an integer number (2429672).

Almost surely, 2^43542996 is an apocalyptic number.

It is an amenable number.

43542996 is an abundant number, since it is smaller than the sum of its proper divisors (73081260).

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

43542996 is a wasteful number, since it uses less digits than its factorization.

43542996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288 (or 2286 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 43542996 is about 6598.7116924442. The cubic root of 43542996 is about 351.8083172111.

The spelling of 43542996 in words is "forty-three million, five hundred forty-two thousand, nine hundred ninety-six".