38028429 has 6 divisors (see below), whose sum is σ = 54929966. Its totient is φ = 25352280.

The previous prime is 38028421. The next prime is 38028451. The reversal of 38028429 is 92482083.

It can be written as a sum of positive squares in only one way, i.e., 35462025 + 2566404 = 5955^2 + 1602^2 .

It is not a de Polignac number, because 38028429 - 2³ = 38028421 is a prime.

It is a super-2 number, since 2×38028429² = 2892322824416082, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 38028393 and 38028402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38028421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2112682 + ... + 2112699.

Almost surely, 2^38028429 is an apocalyptic number.

It is an amenable number.

38028429 is a deficient number, since it is larger than the sum of its proper divisors (16901537).

38028429 is a wasteful number, since it uses less digits than its factorization.

38028429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225387 (or 4225384 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 38028429 is about 6166.7194682424. The cubic root of 38028429 is about 336.2813597798.

The spelling of 38028429 in words is "thirty-eight million, twenty-eight thousand, four hundred twenty-nine".