10998542 has 8 divisors (see below), whose sum is σ = 16524216. Its totient is φ = 5490472.

The previous prime is 10998523. The next prime is 10998551. The reversal of 10998542 is 24589901.

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

It is a super-2 number, since 2×10998542² = 241935852251528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10998496 and 10998505.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2708 + ... + 5415.

It is an arithmetic number, because the mean of its divisors is an integer number (2065527).

Almost surely, 2^10998542 is an apocalyptic number.

10998542 is the 2708-th pentagonal number.

10998542 is a deficient number, since it is larger than the sum of its proper divisors (5525674).

10998542 is an equidigital number, since it uses as much as digits as its factorization.

10998542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8802.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 10998542 is about 3316.4049813013. The cubic root of 10998542 is about 222.3881826744.

The spelling of 10998542 in words is "ten million, nine hundred ninety-eight thousand, five hundred forty-two".