43487460 has 36 divisors (see below), whose sum is σ = 131912508. Its totient is φ = 11596608.

The previous prime is 43487459. The next prime is 43487461. The reversal of 43487460 is 6478434.

It is an interprime number because it is at equal distance from previous prime (43487459) and next prime (43487461).

It can be written as a sum of positive squares in 2 ways, for example, as 4848804 + 38638656 = 2202^2 + 6216^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43487461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120619 + ... + 120978.

Almost surely, 2^43487460 is an apocalyptic number.

It is an amenable number.

43487460 is an abundant number, since it is smaller than the sum of its proper divisors (88425048).

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

43487460 is a wasteful number, since it uses less digits than its factorization.

43487460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241612 (or 241607 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 43487460 is about 6594.5022556672. The cubic root of 43487460 is about 351.6586847341.

The spelling of 43487460 in words is "forty-three million, four hundred eighty-seven thousand, four hundred sixty".