23998261 has 8 divisors (see below), whose sum is σ = 27836480. Its totient is φ = 20262528.

The previous prime is 23998259. The next prime is 23998267. The reversal of 23998261 is 16289932.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23998261 - 2¹ = 23998259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23998267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25116 + ... + 26053.

It is an arithmetic number, because the mean of its divisors is an integer number (3479560).

Almost surely, 2^23998261 is an apocalyptic number.

It is an amenable number.

23998261 is a deficient number, since it is larger than the sum of its proper divisors (3838219).

23998261 is an equidigital number, since it uses as much as digits as its factorization.

23998261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51243.

The product of its digits is 46656, while the sum is 40.

The square root of 23998261 is about 4898.8019964069. The cubic root of 23998261 is about 288.4429470265.

The spelling of 23998261 in words is "twenty-three million, nine hundred ninety-eight thousand, two hundred sixty-one".