9047438 has 4 divisors (see below), whose sum is σ = 13571160. Its totient is φ = 4523718.

The previous prime is 9047413. The next prime is 9047447. The reversal of 9047438 is 8347409.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×9047438² = 163712268727688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9047398 and 9047407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2261858 + ... + 2261861.

It is an arithmetic number, because the mean of its divisors is an integer number (3392790).

Almost surely, 2^9047438 is an apocalyptic number.

9047438 is a deficient number, since it is larger than the sum of its proper divisors (4523722).

9047438 is a wasteful number, since it uses less digits than its factorization.

9047438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4523721.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 9047438 is about 3007.8959423491. The cubic root of 9047438 is about 208.3732050976.

The spelling of 9047438 in words is "nine million, forty-seven thousand, four hundred thirty-eight".