838266401 has 16 divisors (see below), whose sum is σ = 967075200. Its totient is φ = 711749760.

The previous prime is 838266371. The next prime is 838266419. The reversal of 838266401 is 104662838.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 838266401 - 2¹⁸ = 838004257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (838266461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486221 + ... + 487941.

It is an arithmetic number, because the mean of its divisors is an integer number (60442200).

Almost surely, 2^838266401 is an apocalyptic number.

It is an amenable number.

838266401 is a deficient number, since it is larger than the sum of its proper divisors (128808799).

838266401 is a wasteful number, since it uses less digits than its factorization.

838266401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 838266401 is about 28952.8306215472. The cubic root of 838266401 is about 942.8892546051.

The spelling of 838266401 in words is "eight hundred thirty-eight million, two hundred sixty-six thousand, four hundred one".