38895709 has 4 divisors (see below), whose sum is σ = 39364416. Its totient is φ = 38427004.

The previous prime is 38895707. The next prime is 38895749. The reversal of 38895709 is 90759883.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38895709 - 2¹ = 38895707 is a prime.

It is a super-2 number, since 2×38895709² = 3025752357225362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38895707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234229 + ... + 234394.

It is an arithmetic number, because the mean of its divisors is an integer number (9841104).

Almost surely, 2^38895709 is an apocalyptic number.

It is an amenable number.

38895709 is a deficient number, since it is larger than the sum of its proper divisors (468707).

38895709 is an equidigital number, since it uses as much as digits as its factorization.

38895709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468706.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 38895709 is about 6236.6424460602. The cubic root of 38895709 is about 338.8185899789.

The spelling of 38895709 in words is "thirty-eight million, eight hundred ninety-five thousand, seven hundred nine".