43253460 has 96 divisors (see below), whose sum is σ = 135636480. Its totient is φ = 11442816.

The previous prime is 43253447. The next prime is 43253461. The reversal of 43253460 is 6435234.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43253461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93189 + ... + 93651.

It is an arithmetic number, because the mean of its divisors is an integer number (1412880).

Almost surely, 2^43253460 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 43253460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67818240).

43253460 is an abundant number, since it is smaller than the sum of its proper divisors (92383020).

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

43253460 is a wasteful number, since it uses less digits than its factorization.

43253460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 43253460 is about 6576.7362726507. The cubic root of 43253460 is about 351.0268077998.

Adding to 43253460 its reverse (6435234), we get a palindrome (49688694).

The spelling of 43253460 in words is "forty-three million, two hundred fifty-three thousand, four hundred sixty".