838540355 has 4 divisors (see below), whose sum is σ = 1006248432. Its totient is φ = 670832280.

The previous prime is 838540349. The next prime is 838540363. The reversal of 838540355 is 553045838.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 838540355 - 2²⁴ = 821763139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83854031 + ... + 83854040.

It is an arithmetic number, because the mean of its divisors is an integer number (251562108).

Almost surely, 2^838540355 is an apocalyptic number.

838540355 is a deficient number, since it is larger than the sum of its proper divisors (167708077).

838540355 is a wasteful number, since it uses less digits than its factorization.

838540355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167708076.

The product of its (nonzero) digits is 288000, while the sum is 41.

The square root of 838540355 is about 28957.5612750798. The cubic root of 838540355 is about 942.9919586891.

The spelling of 838540355 in words is "eight hundred thirty-eight million, five hundred forty thousand, three hundred fifty-five".