38255745 has 32 divisors (see below), whose sum is σ = 67451904. Its totient is φ = 18360000.

The previous prime is 38255741. The next prime is 38255753. The reversal of 38255745 is 54755283.

It is not a de Polignac number, because 38255745 - 2² = 38255741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38255741) 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, 15870 + ... + 18120.

It is an arithmetic number, because the mean of its divisors is an integer number (2107872).

Almost surely, 2^38255745 is an apocalyptic number.

It is an amenable number.

38255745 is a deficient number, since it is larger than the sum of its proper divisors (29196159).

38255745 is a wasteful number, since it uses less digits than its factorization.

38255745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373.

The product of its digits is 168000, while the sum is 39.

The square root of 38255745 is about 6185.1228767099. The cubic root of 38255745 is about 336.9500728778.

The spelling of 38255745 in words is "thirty-eight million, two hundred fifty-five thousand, seven hundred forty-five".