838365253 has 32 divisors (see below), whose sum is σ = 992839680. Its totient is φ = 699696000.

The previous prime is 838365211. The next prime is 838365257. The reversal of 838365253 is 352563838.

It is a cyclic number.

It is not a de Polignac number, because 838365253 - 2²¹ = 836268101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838365257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1944948 + ... + 1945378.

It is an arithmetic number, because the mean of its divisors is an integer number (31026240).

Almost surely, 2^838365253 is an apocalyptic number.

It is an amenable number.

838365253 is a deficient number, since it is larger than the sum of its proper divisors (154474427).

838365253 is a wasteful number, since it uses less digits than its factorization.

838365253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729.

The product of its digits is 518400, while the sum is 43.

The square root of 838365253 is about 28954.5376927348. The cubic root of 838365253 is about 942.9263163415.

The spelling of 838365253 in words is "eight hundred thirty-eight million, three hundred sixty-five thousand, two hundred fifty-three".