348438636 has 288 divisors, whose sum is σ = 1158463488. Its totient is φ = 85847040.

The previous prime is 348438619. The next prime is 348438689. The reversal of 348438636 is 636834843.

348438636 is a `hidden beast` number, since 3 + 4 + 8 + 4 + 3 + 8 + 636 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 348438591 and 348438600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4773096 + ... + 4773168.

Almost surely, 2^348438636 is an apocalyptic number.

348438636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 348438636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579231744).

348438636 is an abundant number, since it is smaller than the sum of its proper divisors (810024852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

348438636 is a wasteful number, since it uses less digits than its factorization.

348438636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 176 counting only the distinct ones).

The product of its digits is 995328, while the sum is 45.

The square root of 348438636 is about 18666.5110826849. The cubic root of 348438636 is about 703.6803683103.

The spelling of 348438636 in words is "three hundred forty-eight million, four hundred thirty-eight thousand, six hundred thirty-six".