11056398 has 16 divisors (see below), whose sum is σ = 22826496. Its totient is φ = 3566520.

The previous prime is 11056387. The next prime is 11056403. The reversal of 11056398 is 89365011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29536 + ... + 29907.

It is an arithmetic number, because the mean of its divisors is an integer number (1426656).

Almost surely, 2^11056398 is an apocalyptic number.

11056398 is an abundant number, since it is smaller than the sum of its proper divisors (11770098).

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

11056398 is a wasteful number, since it uses less digits than its factorization.

11056398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59479.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 11056398 is about 3325.1162385697. The cubic root of 11056398 is about 222.7774462610. Note that the first 3 decimals are identical.

It can be divided in two parts, 1105 and 6398, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 11056398 in words is "eleven million, fifty-six thousand, three hundred ninety-eight".