38895457 has 4 divisors (see below), whose sum is σ = 39028500. Its totient is φ = 38762416.

The previous prime is 38895449. The next prime is 38895497. The reversal of 38895457 is 75459883.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34468641 + 4426816 = 5871^2 + 2104^2 .

It is a cyclic number.

It is not a de Polignac number, because 38895457 - 2³ = 38895449 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 38895457.

It is not an unprimeable number, because it can be changed into a prime (38895427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66082 + ... + 66667.

It is an arithmetic number, because the mean of its divisors is an integer number (9757125).

Almost surely, 2^38895457 is an apocalyptic number.

It is an amenable number.

38895457 is a deficient number, since it is larger than the sum of its proper divisors (133043).

38895457 is a wasteful number, since it uses less digits than its factorization.

38895457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133042.

The product of its digits is 1209600, while the sum is 49.

The square root of 38895457 is about 6236.6222428491. The cubic root of 38895457 is about 338.8178582575.

The spelling of 38895457 in words is "thirty-eight million, eight hundred ninety-five thousand, four hundred fifty-seven".