9487994 has 8 divisors (see below), whose sum is σ = 14255508. Its totient is φ = 4736160.

The previous prime is 9487991. The next prime is 9487997. The reversal of 9487994 is 4997849.

It is an interprime number because it is at equal distance from previous prime (9487991) and next prime (9487997).

It can be written as a sum of positive squares in 2 ways, for example, as 7912969 + 1575025 = 2813^2 + 1255^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (9487991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2267 + ... + 4910.

Almost surely, 2^9487994 is an apocalyptic number.

9487994 is a deficient number, since it is larger than the sum of its proper divisors (4767514).

9487994 is a wasteful number, since it uses less digits than its factorization.

9487994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7840.

The product of its digits is 653184, while the sum is 50.

The square root of 9487994 is about 3080.2587553646. The cubic root of 9487994 is about 211.7019217803.

It can be divided in two parts, 94 and 87994, that added together give a palindrome (88088).

The spelling of 9487994 in words is "nine million, four hundred eighty-seven thousand, nine hundred ninety-four".