838618001 has 4 divisors (see below), whose sum is σ = 903127092. Its totient is φ = 774108912.

The previous prime is 838617937. The next prime is 838618009. The reversal of 838618001 is 100816838.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100816838 = 2 ⋅50408419.

It can be written as a sum of positive squares in 2 ways, for example, as 192238225 + 646379776 = 13865^2 + 25424^2 .

It is a cyclic number.

It is not a de Polignac number, because 838618001 - 2⁶ = 838617937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (838618009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32254526 + ... + 32254551.

It is an arithmetic number, because the mean of its divisors is an integer number (225781773).

Almost surely, 2^838618001 is an apocalyptic number.

It is an amenable number.

838618001 is a deficient number, since it is larger than the sum of its proper divisors (64509091).

838618001 is a wasteful number, since it uses less digits than its factorization.

838618001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64509090.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 838618001 is about 28958.9019301492. The cubic root of 838618001 is about 943.0210637459.

The spelling of 838618001 in words is "eight hundred thirty-eight million, six hundred eighteen thousand, one".