23478786 has 24 divisors (see below), whose sum is σ = 51247404. Its totient is φ = 7768320.

The previous prime is 23478781. The next prime is 23478787. The reversal of 23478786 is 68787432.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23474025 + 4761 = 4845^2 + 69^2 .

It is not an unprimeable number, because it can be changed into a prime (23478781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2295 + ... + 7226.

Almost surely, 2^23478786 is an apocalyptic number.

23478786 is an abundant number, since it is smaller than the sum of its proper divisors (27768618).

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

23478786 is a wasteful number, since it uses less digits than its factorization.

23478786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9666 (or 9663 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 23478786 is about 4845.4913063589. The cubic root of 23478786 is about 286.3465000121.

The spelling of 23478786 in words is "twenty-three million, four hundred seventy-eight thousand, seven hundred eighty-six".