23886949 has 4 divisors (see below), whose sum is σ = 24925536. Its totient is φ = 22848364.

The previous prime is 23886913. The next prime is 23886953. The reversal of 23886949 is 94968832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23886949 - 2⁹ = 23886437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23886959) 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, 519259 + ... + 519304.

It is an arithmetic number, because the mean of its divisors is an integer number (6231384).

Almost surely, 2^23886949 is an apocalyptic number.

It is an amenable number.

23886949 is a deficient number, since it is larger than the sum of its proper divisors (1038587).

23886949 is a wasteful number, since it uses less digits than its factorization.

23886949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038586.

The product of its digits is 746496, while the sum is 49.

The square root of 23886949 is about 4887.4276465233. The cubic root of 23886949 is about 287.9962906222.

The spelling of 23886949 in words is "twenty-three million, eight hundred eighty-six thousand, nine hundred forty-nine".