38897929 has 8 divisors (see below), whose sum is σ = 45488960. Its totient is φ = 32565456.

The previous prime is 38897927. The next prime is 38897939. The reversal of 38897929 is 92979883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38897929 - 2¹ = 38897927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38897929.

It is not an unprimeable number, because it can be changed into a prime (38897927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64314 + ... + 64915.

It is an arithmetic number, because the mean of its divisors is an integer number (5686120).

Almost surely, 2^38897929 is an apocalyptic number.

It is an amenable number.

38897929 is a deficient number, since it is larger than the sum of its proper divisors (6591031).

38897929 is a wasteful number, since it uses less digits than its factorization.

38897929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129279.

The product of its digits is 1959552, while the sum is 55.

The square root of 38897929 is about 6236.8204239019. The cubic root of 38897929 is about 338.8250359596.

The spelling of 38897929 in words is "thirty-eight million, eight hundred ninety-seven thousand, nine hundred twenty-nine".