43997450 has 24 divisors (see below), whose sum is σ = 93526752. Its totient is φ = 15084720.

The previous prime is 43997441. The next prime is 43997461. The reversal of 43997450 is 5479934.

43997450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 43997398 and 43997407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62504 + ... + 63203.

It is an arithmetic number, because the mean of its divisors is an integer number (3896948).

Almost surely, 2^43997450 is an apocalyptic number.

43997450 is an abundant number, since it is smaller than the sum of its proper divisors (49529302).

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

43997450 is a wasteful number, since it uses less digits than its factorization.

43997450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125726 (or 125721 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 43997450 is about 6633.0573644436. The cubic root of 43997450 is about 353.0280134097.

The spelling of 43997450 in words is "forty-three million, nine hundred ninety-seven thousand, four hundred fifty".