38821269 has 16 divisors (see below), whose sum is σ = 53973504. Its totient is φ = 24792000.

The previous prime is 38821267. The next prime is 38821283. The reversal of 38821269 is 96212883.

It is a happy number.

It is not a de Polignac number, because 38821269 - 2¹ = 38821267 is a prime.

It is a super-2 number, since 2×38821269² = 3014181853540722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38821267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7327 + ... + 11459.

It is an arithmetic number, because the mean of its divisors is an integer number (3373344).

Almost surely, 2^38821269 is an apocalyptic number.

It is an amenable number.

38821269 is a deficient number, since it is larger than the sum of its proper divisors (15152235).

38821269 is a wasteful number, since it uses less digits than its factorization.

38821269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4268.

The product of its digits is 41472, while the sum is 39.

The square root of 38821269 is about 6230.6716331388. The cubic root of 38821269 is about 338.6023042270.

It can be divided in two parts, 3882 and 1269, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 38821269 in words is "thirty-eight million, eight hundred twenty-one thousand, two hundred sixty-nine".