1098354941 has 4 divisors (see below), whose sum is σ = 1098470652. Its totient is φ = 1098239232.

The previous prime is 1098354923. The next prime is 1098354973. The reversal of 1098354941 is 1494538901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 623550841 + 474804100 = 24971^2 + 21790^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098354941 - 2¹⁸ = 1098092797 is a prime.

It is a super-2 number, since 2×1098354941² = 2412767152838226962, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1098354892 and 1098354901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098354041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42206 + ... + 63071.

It is an arithmetic number, because the mean of its divisors is an integer number (274617663).

Almost surely, 2^1098354941 is an apocalyptic number.

It is an amenable number.

1098354941 is a deficient number, since it is larger than the sum of its proper divisors (115711).

1098354941 is a wasteful number, since it uses less digits than its factorization.

1098354941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115710.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 1098354941 is about 33141.4384268396. The cubic root of 1098354941 is about 1031.7652642634.

The spelling of 1098354941 in words is "one billion, ninety-eight million, three hundred fifty-four thousand, nine hundred forty-one".