9390924047 has 4 divisors (see below), whose sum is σ = 9391797360. Its totient is φ = 9390050736.

The previous prime is 9390924019. The next prime is 9390924061. The reversal of 9390924047 is 7404290939.

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

It is a cyclic number.

It is not a de Polignac number, because 9390924047 - 2⁸ = 9390923791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9390923992 and 9390924010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9390924847) 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, 420323 + ... + 442100.

It is an arithmetic number, because the mean of its divisors is an integer number (2347949340).

Almost surely, 2^9390924047 is an apocalyptic number.

9390924047 is a deficient number, since it is larger than the sum of its proper divisors (873313).

9390924047 is a wasteful number, since it uses less digits than its factorization.

9390924047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873312.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 9390924047 is about 96906.7801910682. The cubic root of 9390924047 is about 2109.7748422921.

The spelling of 9390924047 in words is "nine billion, three hundred ninety million, nine hundred twenty-four thousand, forty-seven".