9390642 has 16 divisors (see below), whose sum is σ = 18887232. Its totient is φ = 3112560.

The previous prime is 9390629. The next prime is 9390643. The reversal of 9390642 is 2460939.

9390642 is nontrivially palindromic in base 13.

It is not an unprimeable number, because it can be changed into a prime (9390643) 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 7 ways as a sum of consecutive naturals, for example, 3238 + ... + 5409.

It is an arithmetic number, because the mean of its divisors is an integer number (1180452).

Almost surely, 2^9390642 is an apocalyptic number.

9390642 is an abundant number, since it is smaller than the sum of its proper divisors (9496590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9390642 is a wasteful number, since it uses less digits than its factorization.

9390642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8833.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 9390642 is about 3064.4154418094. The cubic root of 9390642 is about 210.9753720422.

The spelling of 9390642 in words is "nine million, three hundred ninety thousand, six hundred forty-two".