911397552 has 80 divisors (see below), whose sum is σ = 2541504000. Its totient is φ = 279772416.

The previous prime is 911397533. The next prime is 911397559. The reversal of 911397552 is 255793119.

It is not an unprimeable number, because it can be changed into a prime (911397559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309913 + ... + 312839.

It is an arithmetic number, because the mean of its divisors is an integer number (31768800).

Almost surely, 2^911397552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 911397552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1270752000).

911397552 is an abundant number, since it is smaller than the sum of its proper divisors (1630106448).

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

911397552 is a wasteful number, since it uses less digits than its factorization.

911397552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450 (or 3444 counting only the distinct ones).

The product of its digits is 85050, while the sum is 42.

The square root of 911397552 is about 30189.3615699306. The cubic root of 911397552 is about 969.5479354511.

The spelling of 911397552 in words is "nine hundred eleven million, three hundred ninety-seven thousand, five hundred fifty-two".