347228136 has 48 divisors (see below), whose sum is σ = 972843300. Its totient is φ = 111750912.

The previous prime is 347228113. The next prime is 347228153. The reversal of 347228136 is 631822743.

It is a happy number.

347228136 is a `hidden beast` number, since 347 + 2 + 281 + 36 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 338192100 + 9036036 = 18390^2 + 3006^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 347228136.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81061 + ... + 85236.

Almost surely, 2^347228136 is an apocalyptic number.

347228136 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

347228136 is an abundant number, since it is smaller than the sum of its proper divisors (625615164).

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

347228136 is a wasteful number, since it uses less digits than its factorization.

347228136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166338 (or 166331 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 347228136 is about 18634.0584951320. The cubic root of 347228136 is about 702.8645446942.

The spelling of 347228136 in words is "three hundred forty-seven million, two hundred twenty-eight thousand, one hundred thirty-six".