10998554 has 16 divisors (see below), whose sum is σ = 19675008. Its totient is φ = 4508592.

The previous prime is 10998553. The next prime is 10998557. The reversal of 10998554 is 45589901.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10998551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16757 + ... + 17400.

It is an arithmetic number, because the mean of its divisors is an integer number (1229688).

Almost surely, 2^10998554 is an apocalyptic number.

10998554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10998554 is a deficient number, since it is larger than the sum of its proper divisors (8676454).

10998554 is a wasteful number, since it uses less digits than its factorization.

10998554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34189.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 10998554 is about 3316.4067904888. The cubic root of 10998554 is about 222.3882635535.

The spelling of 10998554 in words is "ten million, nine hundred ninety-eight thousand, five hundred fifty-four".