38900049 has 32 divisors (see below), whose sum is σ = 57283200. Its totient is φ = 23385600.

The previous prime is 38900041. The next prime is 38900053. The reversal of 38900049 is 94000983.

It is not a de Polignac number, because 38900049 - 2³ = 38900041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38899992 and 38900019.

It is not an unprimeable number, because it can be changed into a prime (38900041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166837 + ... + 167069.

It is an arithmetic number, because the mean of its divisors is an integer number (1790100).

Almost surely, 2^38900049 is an apocalyptic number.

It is an amenable number.

38900049 is a deficient number, since it is larger than the sum of its proper divisors (18383151).

38900049 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (38900048) it forms an eRAP, since the sums of their prime factors are consecutive (384 and 385).

38900049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 38900049 is about 6236.9903799830. The cubic root of 38900049 is about 338.8311913518.

The spelling of 38900049 in words is "thirty-eight million, nine hundred thousand, forty-nine".