49038917 has 2 divisors, whose sum is σ = 49038918. Its totient is φ = 49038916.

The previous prime is 49038893. The next prime is 49038947. The reversal of 49038917 is 71983094.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48874081 + 164836 = 6991^2 + 406^2 .

It is a cyclic number.

It is not a de Polignac number, because 49038917 - 2¹⁶ = 48973381 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49038947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24519458 + 24519459.

It is an arithmetic number, because the mean of its divisors is an integer number (24519459).

Almost surely, 2^49038917 is an apocalyptic number.

It is an amenable number.

49038917 is a deficient number, since it is larger than the sum of its proper divisors (1).

49038917 is an equidigital number, since it uses as much as digits as its factorization.

49038917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 49038917 is about 7002.7792339899. The cubic root of 49038917 is about 366.0274223733.

The spelling of 49038917 in words is "forty-nine million, thirty-eight thousand, nine hundred seventeen".