38949929 has 8 divisors (see below), whose sum is σ = 40461120. Its totient is φ = 37450000.

The previous prime is 38949917. The next prime is 38949947. The reversal of 38949929 is 92994983.

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

It is a cyclic number.

It is not a de Polignac number, because 38949929 - 2⁴ = 38949913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38949629) 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, 4604 + ... + 9954.

It is an arithmetic number, because the mean of its divisors is an integer number (5057640).

Almost surely, 2^38949929 is an apocalyptic number.

It is an amenable number.

38949929 is a deficient number, since it is larger than the sum of its proper divisors (1511191).

38949929 is a wasteful number, since it uses less digits than its factorization.

38949929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5631.

The product of its digits is 1259712, while the sum is 53.

The square root of 38949929 is about 6240.9878224525. The cubic root of 38949929 is about 338.9759527905.

The spelling of 38949929 in words is "thirty-eight million, nine hundred forty-nine thousand, nine hundred twenty-nine".