38842443 has 8 divisors (see below), whose sum is σ = 57544400. Its totient is φ = 25894944.

The previous prime is 38842439. The next prime is 38842487. The reversal of 38842443 is 34424883.

It is not a de Polignac number, because 38842443 - 2² = 38842439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38842398 and 38842407.

It is not an unprimeable number, because it can be changed into a prime (38842043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719278 + ... + 719331.

It is an arithmetic number, because the mean of its divisors is an integer number (7193050).

Almost surely, 2^38842443 is an apocalyptic number.

38842443 is a deficient number, since it is larger than the sum of its proper divisors (18701957).

38842443 is a wasteful number, since it uses less digits than its factorization.

38842443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438618 (or 1438612 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 38842443 is about 6232.3705762735. The cubic root of 38842443 is about 338.6638534953.

The spelling of 38842443 in words is "thirty-eight million, eight hundred forty-two thousand, four hundred forty-three".