38854945 has 8 divisors (see below), whose sum is σ = 49368744. Its totient is φ = 29255424.

The previous prime is 38854931. The next prime is 38854961. The reversal of 38854945 is 54945883.

It can be written as a sum of positive squares in 4 ways, for example, as 613089 + 38241856 = 783^2 + 6184^2 .

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 38854945 - 2²¹ = 36757793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38854895 and 38854904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228474 + ... + 228643.

It is an arithmetic number, because the mean of its divisors is an integer number (6171093).

Almost surely, 2^38854945 is an apocalyptic number.

It is an amenable number.

38854945 is a deficient number, since it is larger than the sum of its proper divisors (10513799).

38854945 is a wasteful number, since it uses less digits than its factorization.

38854945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457139.

The product of its digits is 691200, while the sum is 46.

The square root of 38854945 is about 6233.3734847192. The cubic root of 38854945 is about 338.7001842115.

The spelling of 38854945 in words is "thirty-eight million, eight hundred fifty-four thousand, nine hundred forty-five".