11291408 has 10 divisors (see below), whose sum is σ = 21877134. Its totient is φ = 5645696.

The previous prime is 11291407. The next prime is 11291431. The reversal of 11291408 is 80419211.

It can be written as a sum of positive squares in only one way, i.e., 8832784 + 2458624 = 2972^2 + 1568^2 .

It is not an unprimeable number, because it can be changed into a prime (11291407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352841 + ... + 352872.

Almost surely, 2^11291408 is an apocalyptic number.

It is an amenable number.

11291408 is a deficient number, since it is larger than the sum of its proper divisors (10585726).

11291408 is an equidigital number, since it uses as much as digits as its factorization.

11291408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705721 (or 705715 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 11291408 is about 3360.2690368481. The cubic root of 11291408 is about 224.3448133287.

The spelling of 11291408 in words is "eleven million, two hundred ninety-one thousand, four hundred eight".