23499746 has 24 divisors (see below), whose sum is σ = 37889940. Its totient is φ = 10927872.

The previous prime is 23499743. The next prime is 23499761. The reversal of 23499746 is 64799432.

It can be written as a sum of positive squares in 6 ways, for example, as 20475625 + 3024121 = 4525^2 + 1739^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23499697 and 23499706.

It is not an unprimeable number, because it can be changed into a prime (23499743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62816 + ... + 63188.

Almost surely, 2^23499746 is an apocalyptic number.

23499746 is a deficient number, since it is larger than the sum of its proper divisors (14390194).

23499746 is a wasteful number, since it uses less digits than its factorization.

23499746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 501 counting only the distinct ones).

The product of its digits is 326592, while the sum is 44.

The square root of 23499746 is about 4847.6536592459. The cubic root of 23499746 is about 286.4316838251.

The spelling of 23499746 in words is "twenty-three million, four hundred ninety-nine thousand, seven hundred forty-six".