38670429 has 36 divisors (see below), whose sum is σ = 62661536. Its totient is φ = 20778384.

The previous prime is 38670419. The next prime is 38670431. The reversal of 38670429 is 92407683.

It is not a de Polignac number, because 38670429 - 2⁵ = 38670397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38670409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 655402 + ... + 655460.

Almost surely, 2^38670429 is an apocalyptic number.

It is an amenable number.

38670429 is a deficient number, since it is larger than the sum of its proper divisors (23991107).

38670429 is an equidigital number, since it uses as much as digits as its factorization.

38670429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 38670429 is about 6218.5552180551. Note that the first 3 decimals coincide. The cubic root of 38670429 is about 338.1631887080.

The spelling of 38670429 in words is "thirty-eight million, six hundred seventy thousand, four hundred twenty-nine".