838483155 has 48 divisors (see below), whose sum is σ = 1472256864. Its totient is φ = 441423360.

The previous prime is 838483153. The next prime is 838483157. The reversal of 838483155 is 551384838.

It is an interprime number because it is at equal distance from previous prime (838483153) and next prime (838483157).

It is not a de Polignac number, because 838483155 - 2¹ = 838483153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 838483155.

It is not an unprimeable number, because it can be changed into a prime (838483153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1707460 + ... + 1707950.

It is an arithmetic number, because the mean of its divisors is an integer number (30672018).

Almost surely, 2^838483155 is an apocalyptic number.

838483155 is a deficient number, since it is larger than the sum of its proper divisors (633773709).

838483155 is a wasteful number, since it uses less digits than its factorization.

838483155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 913 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 838483155 is about 28956.5736060053. The cubic root of 838483155 is about 942.9705165223.

The spelling of 838483155 in words is "eight hundred thirty-eight million, four hundred eighty-three thousand, one hundred fifty-five".