38477643 has 16 divisors (see below), whose sum is σ = 54274560. Its totient is φ = 24197184.

The previous prime is 38477627. The next prime is 38477653. The reversal of 38477643 is 34677483.

It is not a de Polignac number, because 38477643 - 2⁴ = 38477627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38477595 and 38477604.

It is not an unprimeable number, because it can be changed into a prime (38477623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1218 + ... + 8856.

It is an arithmetic number, because the mean of its divisors is an integer number (3392160).

Almost surely, 2^38477643 is an apocalyptic number.

38477643 is a deficient number, since it is larger than the sum of its proper divisors (15796917).

38477643 is a wasteful number, since it uses less digits than its factorization.

38477643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7738.

The product of its digits is 338688, while the sum is 42.

The square root of 38477643 is about 6203.0349829741. The cubic root of 38477643 is about 337.6002972143.

The spelling of 38477643 in words is "thirty-eight million, four hundred seventy-seven thousand, six hundred forty-three".