10891394 has 16 divisors (see below), whose sum is σ = 17101368. Its totient is φ = 5196672.

The previous prime is 10891379. The next prime is 10891399. The reversal of 10891394 is 49319801.

It can be written as a sum of positive squares in 4 ways, for example, as 10272025 + 619369 = 3205^2 + 787^2 .

It is not an unprimeable number, because it can be changed into a prime (10891399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2534 + ... + 5310.

Almost surely, 2^10891394 is an apocalyptic number.

10891394 is a deficient number, since it is larger than the sum of its proper divisors (6209974).

10891394 is a wasteful number, since it uses less digits than its factorization.

10891394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 10891394 is about 3300.2112053625. The cubic root of 10891394 is about 221.6636548356.

The spelling of 10891394 in words is "ten million, eight hundred ninety-one thousand, three hundred ninety-four".