43898713 has 2 divisors, whose sum is σ = 43898714. Its totient is φ = 43898712.

The previous prime is 43898707. The next prime is 43898719. The reversal of 43898713 is 31789834.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (43898707) and next prime (43898719).

It can be written as a sum of positive squares in only one way, i.e., 28430224 + 15468489 = 5332^2 + 3933^2 .

It is a cyclic number.

It is not a de Polignac number, because 43898713 - 2²¹ = 41801561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43898713.

It is not a weakly prime, because it can be changed into another prime (43898719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21949356 + 21949357.

It is an arithmetic number, because the mean of its divisors is an integer number (21949357).

Almost surely, 2^43898713 is an apocalyptic number.

It is an amenable number.

43898713 is a deficient number, since it is larger than the sum of its proper divisors (1).

43898713 is an equidigital number, since it uses as much as digits as its factorization.

43898713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 43898713 is about 6625.6103869757. The cubic root of 43898713 is about 352.7637326823.

The spelling of 43898713 in words is "forty-three million, eight hundred ninety-eight thousand, seven hundred thirteen".