10891330 has 8 divisors (see below), whose sum is σ = 19604412. Its totient is φ = 4356528.

The previous prime is 10891303. The next prime is 10891333. The reversal of 10891330 is 3319801.

It can be written as a sum of positive squares in 2 ways, for example, as 9665881 + 1225449 = 3109^2 + 1107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a zygodrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 10891295 and 10891304.

It is not an unprimeable number, because it can be changed into a prime (10891333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544557 + ... + 544576.

Almost surely, 2^10891330 is an apocalyptic number.

10891330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10891330 is a deficient number, since it is larger than the sum of its proper divisors (8713082).

10891330 is a wasteful number, since it uses less digits than its factorization.

10891330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089140.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 10891330 is about 3300.2015089991. The cubic root of 10891330 is about 221.6632206548.

The spelling of 10891330 in words is "ten million, eight hundred ninety-one thousand, three hundred thirty".