911385252 has 36 divisors (see below), whose sum is σ = 2336233536. Its totient is φ = 299515440.

The previous prime is 911385247. The next prime is 911385253. The reversal of 911385252 is 252583119.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (911385253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175728 + ... + 180839.

It is an arithmetic number, because the mean of its divisors is an integer number (64895376).

Almost surely, 2^911385252 is an apocalyptic number.

It is an amenable number.

911385252 is an abundant number, since it is smaller than the sum of its proper divisors (1424848284).

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

911385252 is a wasteful number, since it uses less digits than its factorization.

911385252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356648 (or 356643 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 911385252 is about 30189.1578550976. The cubic root of 911385252 is about 969.5435738370.

The spelling of 911385252 in words is "nine hundred eleven million, three hundred eighty-five thousand, two hundred fifty-two".