43514989 has 6 divisors (see below), whose sum is σ = 50619534. Its totient is φ = 37298520.

The previous prime is 43514987. The next prime is 43515007. The reversal of 43514989 is 98941534.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30969225 + 12545764 = 5565^2 + 3542^2 .

It is not a de Polignac number, because 43514989 - 2¹ = 43514987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43514987) 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, 443982 + ... + 444079.

It is an arithmetic number, because the mean of its divisors is an integer number (8436589).

Almost surely, 2^43514989 is an apocalyptic number.

43514989 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

43514989 is a deficient number, since it is larger than the sum of its proper divisors (7104545).

43514989 is an equidigital number, since it uses as much as digits as its factorization.

43514989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888075 (or 888068 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 43514989 is about 6596.5891944246. The cubic root of 43514989 is about 351.7328729398.

The spelling of 43514989 in words is "forty-three million, five hundred fourteen thousand, nine hundred eighty-nine".