40834889 has 2 divisors, whose sum is σ = 40834890. Its totient is φ = 40834888.

The previous prime is 40834883. The next prime is 40834897. The reversal of 40834889 is 98843804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39375625 + 1459264 = 6275^2 + 1208^2 .

It is a cyclic number.

It is not a de Polignac number, because 40834889 - 2²⁴ = 24057673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40834883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20417444 + 20417445.

It is an arithmetic number, because the mean of its divisors is an integer number (20417445).

Almost surely, 2^40834889 is an apocalyptic number.

It is an amenable number.

40834889 is a deficient number, since it is larger than the sum of its proper divisors (1).

40834889 is an equidigital number, since it uses as much as digits as its factorization.

40834889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 40834889 is about 6390.2182278855. The cubic root of 40834889 is about 344.3582243863.

The spelling of 40834889 in words is "forty million, eight hundred thirty-four thousand, eight hundred eighty-nine".