9942493 has 8 divisors (see below), whose sum is σ = 10896480. Its totient is φ = 8996880.

The previous prime is 9942481. The next prime is 9942497. The reversal of 9942493 is 3942499.

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

It is a cyclic number.

It is not a de Polignac number, because 9942493 - 2⁵ = 9942461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9942497) 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, 546 + ... + 4492.

It is an arithmetic number, because the mean of its divisors is an integer number (1362060).

Almost surely, 2^9942493 is an apocalyptic number.

It is an amenable number.

9942493 is a deficient number, since it is larger than the sum of its proper divisors (953987).

9942493 is a wasteful number, since it uses less digits than its factorization.

9942493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187.

The product of its digits is 69984, while the sum is 40.

The square root of 9942493 is about 3153.1718950923. The cubic root of 9942493 is about 215.0296912303.

The spelling of 9942493 in words is "nine million, nine hundred forty-two thousand, four hundred ninety-three".