38486477 has 4 divisors (see below), whose sum is σ = 38553756. Its totient is φ = 38419200.

The previous prime is 38486471. The next prime is 38486489. The reversal of 38486477 is 77468483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77468483 = 29 ⋅2671327.

It can be written as a sum of positive squares in 2 ways, for example, as 28079401 + 10407076 = 5299^2 + 3226^2 .

It is a cyclic number.

It is not a de Polignac number, because 38486477 - 2¹⁴ = 38470093 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 (38486471) 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, 32774 + ... + 33927.

It is an arithmetic number, because the mean of its divisors is an integer number (9638439).

Almost surely, 2^38486477 is an apocalyptic number.

It is an amenable number.

38486477 is a deficient number, since it is larger than the sum of its proper divisors (67279).

38486477 is an equidigital number, since it uses as much as digits as its factorization.

38486477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67278.

The product of its digits is 903168, while the sum is 47.

The square root of 38486477 is about 6203.7470128947. The cubic root of 38486477 is about 337.6261315481.

The spelling of 38486477 in words is "thirty-eight million, four hundred eighty-six thousand, four hundred seventy-seven".