38229743 has 4 divisors (see below), whose sum is σ = 39548040. Its totient is φ = 36911448.

The previous prime is 38229733. The next prime is 38229773. The reversal of 38229743 is 34792283.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34792283 = 4733 ⋅7351.

It is a cyclic number.

It is not a de Polignac number, because 38229743 - 2⁸ = 38229487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38229697 and 38229706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38229733) 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, 659105 + ... + 659162.

It is an arithmetic number, because the mean of its divisors is an integer number (9887010).

Almost surely, 2^38229743 is an apocalyptic number.

38229743 is a deficient number, since it is larger than the sum of its proper divisors (1318297).

38229743 is a wasteful number, since it uses less digits than its factorization.

38229743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318296.

The product of its digits is 72576, while the sum is 38.

The square root of 38229743 is about 6183.0205401567. The cubic root of 38229743 is about 336.8737151826.

The spelling of 38229743 in words is "thirty-eight million, two hundred twenty-nine thousand, seven hundred forty-three".