38478485 has 4 divisors (see below), whose sum is σ = 46174188. Its totient is φ = 30782784.

The previous prime is 38478481. The next prime is 38478493. The reversal of 38478485 is 58487483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58487483 = 31 ⋅1886693.

It can be written as a sum of positive squares in 2 ways, for example, as 8162449 + 30316036 = 2857^2 + 5506^2 .

It is a cyclic number.

It is not a de Polignac number, because 38478485 - 2² = 38478481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38478481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3847844 + ... + 3847853.

It is an arithmetic number, because the mean of its divisors is an integer number (11543547).

Almost surely, 2^38478485 is an apocalyptic number.

It is an amenable number.

38478485 is a deficient number, since it is larger than the sum of its proper divisors (7695703).

38478485 is an equidigital number, since it uses as much as digits as its factorization.

38478485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7695702.

The product of its digits is 860160, while the sum is 47.

The square root of 38478485 is about 6203.1028526053. The cubic root of 38478485 is about 337.6027597472.

The spelling of 38478485 in words is "thirty-eight million, four hundred seventy-eight thousand, four hundred eighty-five".