38969699 has 4 divisors (see below), whose sum is σ = 39518640. Its totient is φ = 38420760.

The previous prime is 38969657. The next prime is 38969701. The reversal of 38969699 is 99696983.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99696983 = 29 ⋅3437827.

It is a cyclic number.

It is not a de Polignac number, because 38969699 - 2⁸ = 38969443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38969299) 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 3 ways as a sum of consecutive naturals, for example, 274364 + ... + 274505.

It is an arithmetic number, because the mean of its divisors is an integer number (9879660).

Almost surely, 2^38969699 is an apocalyptic number.

38969699 is a deficient number, since it is larger than the sum of its proper divisors (548941).

38969699 is an equidigital number, since it uses as much as digits as its factorization.

38969699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548940.

The product of its digits is 5668704, while the sum is 59.

The square root of 38969699 is about 6242.5715053974. The cubic root of 38969699 is about 339.0332949666.

The spelling of 38969699 in words is "thirty-eight million, nine hundred sixty-nine thousand, six hundred ninety-nine".