3098923 has 4 divisors (see below), whose sum is σ = 3141448. Its totient is φ = 3056400.

The previous prime is 3098899. The next prime is 3098939. The reversal of 3098923 is 3298903.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3298903 = 827 ⋅3989.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3098923 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3098423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21153 + ... + 21298.

It is an arithmetic number, because the mean of its divisors is an integer number (785362).

Almost surely, 2^3098923 is an apocalyptic number.

3098923 is a deficient number, since it is larger than the sum of its proper divisors (42525).

3098923 is an equidigital number, since it uses as much as digits as its factorization.

3098923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42524.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 3098923 is about 1760.3758121492. The cubic root of 3098923 is about 145.7930858912.

The spelling of 3098923 in words is "three million, ninety-eight thousand, nine hundred twenty-three".