38709069 has 36 divisors (see below), whose sum is σ = 63239904. Its totient is φ = 20960016.

The previous prime is 38709031. The next prime is 38709079. The reversal of 38709069 is 96090783.

It is a happy number.

It is not a de Polignac number, because 38709069 - 2¹⁹ = 38184781 is a prime.

It is a super-2 number, since 2×38709069² = 2996784045693522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38709069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38709019) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 361714 + ... + 361820.

It is an arithmetic number, because the mean of its divisors is an integer number (1756664).

Almost surely, 2^38709069 is an apocalyptic number.

It is an amenable number.

38709069 is a deficient number, since it is larger than the sum of its proper divisors (24530835).

38709069 is a wasteful number, since it uses less digits than its factorization.

38709069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 38709069 is about 6221.6612733256. The cubic root of 38709069 is about 338.2757835792.

The spelling of 38709069 in words is "thirty-eight million, seven hundred nine thousand, sixty-nine".