838799253 has 32 divisors (see below), whose sum is σ = 1275523200. Its totient is φ = 544572288.

The previous prime is 838799249. The next prime is 838799257. The reversal of 838799253 is 352997838.

It is a happy number.

838799253 is a `hidden beast` number, since 8 + 387 + 9 + 9 + 253 = 666.

It is an interprime number because it is at equal distance from previous prime (838799249) and next prime (838799257).

It is not a de Polignac number, because 838799253 - 2² = 838799249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 838799253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838799257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196801 + ... + 201017.

It is an arithmetic number, because the mean of its divisors is an integer number (39860100).

Almost surely, 2^838799253 is an apocalyptic number.

It is an amenable number.

838799253 is a deficient number, since it is larger than the sum of its proper divisors (436723947).

838799253 is a wasteful number, since it uses less digits than its factorization.

838799253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4418 (or 4412 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 838799253 is about 28962.0312305612. The cubic root of 838799253 is about 943.0889977917.

The spelling of 838799253 in words is "eight hundred thirty-eight million, seven hundred ninety-nine thousand, two hundred fifty-three".