40898873 has 2 divisors, whose sum is σ = 40898874. Its totient is φ = 40898872.

The previous prime is 40898863. The next prime is 40898917. The reversal of 40898873 is 37889804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40857664 + 41209 = 6392^2 + 203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40898873 is a prime.

It is not a weakly prime, because it can be changed into another prime (40898833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20449436 + 20449437.

It is an arithmetic number, because the mean of its divisors is an integer number (20449437).

Almost surely, 2^40898873 is an apocalyptic number.

It is an amenable number.

40898873 is a deficient number, since it is larger than the sum of its proper divisors (1).

40898873 is an equidigital number, since it uses as much as digits as its factorization.

40898873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 40898873 is about 6395.2226700874. Note that the first 3 decimals coincide. The cubic root of 40898873 is about 344.5379883019.

The spelling of 40898873 in words is "forty million, eight hundred ninety-eight thousand, eight hundred seventy-three".