38958243 has 4 divisors (see below), whose sum is σ = 51944328. Its totient is φ = 25972160.

The previous prime is 38958239. The next prime is 38958247. The reversal of 38958243 is 34285983.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (38958239) and next prime (38958247).

It is a cyclic number.

It is not a de Polignac number, because 38958243 - 2² = 38958239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38958195 and 38958204.

It is not an unprimeable number, because it can be changed into a prime (38958247) 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, 6493038 + ... + 6493043.

It is an arithmetic number, because the mean of its divisors is an integer number (12986082).

Almost surely, 2^38958243 is an apocalyptic number.

38958243 is a deficient number, since it is larger than the sum of its proper divisors (12986085).

38958243 is a wasteful number, since it uses less digits than its factorization.

38958243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12986084.

The product of its digits is 207360, while the sum is 42.

The square root of 38958243 is about 6241.6538673656. The cubic root of 38958243 is about 339.0000696130. Note that the first 4 decimals are identical.

The spelling of 38958243 in words is "thirty-eight million, nine hundred fifty-eight thousand, two hundred forty-three".