23729396 has 6 divisors (see below), whose sum is σ = 41526450. Its totient is φ = 11864696.

The previous prime is 23729369. The next prime is 23729411. The reversal of 23729396 is 69392732.

It can be written as a sum of positive squares in only one way, i.e., 15319396 + 8410000 = 3914^2 + 2900^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2966171 + ... + 2966178.

It is an arithmetic number, because the mean of its divisors is an integer number (6921075).

Almost surely, 2^23729396 is an apocalyptic number.

It is an amenable number.

23729396 is a deficient number, since it is larger than the sum of its proper divisors (17797054).

23729396 is a wasteful number, since it uses less digits than its factorization.

23729396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5932353 (or 5932351 counting only the distinct ones).

The product of its digits is 122472, while the sum is 41.

The square root of 23729396 is about 4871.2827879317. The cubic root of 23729396 is about 287.3617068979.

The spelling of 23729396 in words is "twenty-three million, seven hundred twenty-nine thousand, three hundred ninety-six".