38765457 has 12 divisors (see below), whose sum is σ = 59288580. Its totient is φ = 24323328.

The previous prime is 38765449. The next prime is 38765497. The reversal of 38765457 is 75456783.

38765457 is a `hidden beast` number, since 38 + 76 + 545 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14470416 + 24295041 = 3804^2 + 4929^2 .

It is not a de Polignac number, because 38765457 - 2³ = 38765449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38765437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126532 + ... + 126837.

It is an arithmetic number, because the mean of its divisors is an integer number (4940715).

Almost surely, 2^38765457 is an apocalyptic number.

It is an amenable number.

38765457 is a deficient number, since it is larger than the sum of its proper divisors (20523123).

38765457 is a wasteful number, since it uses less digits than its factorization.

38765457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253392 (or 253389 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 38765457 is about 6226.1912113266. The cubic root of 38765457 is about 338.4399607840.

The spelling of 38765457 in words is "thirty-eight million, seven hundred sixty-five thousand, four hundred fifty-seven".