23398208 has 56 divisors (see below), whose sum is σ = 49051464. Its totient is φ = 11059200.

The previous prime is 23398183. The next prime is 23398213. The reversal of 23398208 is 80289332.

It can be written as a sum of positive squares in 4 ways, for example, as 4804864 + 18593344 = 2192^2 + 4312^2 .

It is a super-2 number, since 2×23398208² = 1094952275222528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96968 + ... + 97208.

It is an arithmetic number, because the mean of its divisors is an integer number (875919).

Almost surely, 2^23398208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23398208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24525732).

23398208 is an abundant number, since it is smaller than the sum of its proper divisors (25653256).

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

23398208 is a wasteful number, since it uses less digits than its factorization.

23398208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 23398208 is about 4837.1694202291. The cubic root of 23398208 is about 286.0185490113.

The spelling of 23398208 in words is "twenty-three million, three hundred ninety-eight thousand, two hundred eight".