43961598 has 12 divisors (see below), whose sum is σ = 95250168. Its totient is φ = 14653860.

The previous prime is 43961597. The next prime is 43961623. The reversal of 43961598 is 89516934.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43961597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1221138 + ... + 1221173.

It is an arithmetic number, because the mean of its divisors is an integer number (7937514).

Almost surely, 2^43961598 is an apocalyptic number.

43961598 is an abundant number, since it is smaller than the sum of its proper divisors (51288570).

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

43961598 is a wasteful number, since it uses less digits than its factorization.

43961598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442319 (or 2442316 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 43961598 is about 6630.3542891764. The cubic root of 43961598 is about 352.9320972468.

The spelling of 43961598 in words is "forty-three million, nine hundred sixty-one thousand, five hundred ninety-eight".