38870429 has 4 divisors (see below), whose sum is σ = 41860476. Its totient is φ = 35880384.

The previous prime is 38870423. The next prime is 38870431. The reversal of 38870429 is 92407883.

38870429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19598329 + 19272100 = 4427^2 + 4390^2 .

It is a cyclic number.

It is not a de Polignac number, because 38870429 - 2⁴ = 38870413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38870423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1495004 + ... + 1495029.

It is an arithmetic number, because the mean of its divisors is an integer number (10465119).

Almost surely, 2^38870429 is an apocalyptic number.

It is an amenable number.

38870429 is a deficient number, since it is larger than the sum of its proper divisors (2990047).

38870429 is a wasteful number, since it uses less digits than its factorization.

38870429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990046.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 38870429 is about 6234.6153850899. The cubic root of 38870429 is about 338.7451697954.

The spelling of 38870429 in words is "thirty-eight million, eight hundred seventy thousand, four hundred twenty-nine".