43486572 has 12 divisors (see below), whose sum is σ = 101468696. Its totient is φ = 14495520.

The previous prime is 43486543. The next prime is 43486579. The reversal of 43486572 is 27568434.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×43486572² = 3782163888622368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43486572.

It is not an unprimeable number, because it can be changed into a prime (43486579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1811929 + ... + 1811952.

Almost surely, 2^43486572 is an apocalyptic number.

It is an amenable number.

43486572 is an abundant number, since it is smaller than the sum of its proper divisors (57982124).

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

43486572 is a wasteful number, since it uses less digits than its factorization.

43486572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3623888 (or 3623886 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 43486572 is about 6594.4349265119. The cubic root of 43486572 is about 351.6562911319.

The spelling of 43486572 in words is "forty-three million, four hundred eighty-six thousand, five hundred seventy-two".