9399642 has 32 divisors (see below), whose sum is σ = 22617600. Its totient is φ = 2544048.

The previous prime is 9399641. The next prime is 9399653. The reversal of 9399642 is 2469939.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 9399594 and 9399603.

It is not an unprimeable number, because it can be changed into a prime (9399641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5092 + ... + 6687.

It is an arithmetic number, because the mean of its divisors is an integer number (706800).

Almost surely, 2^9399642 is an apocalyptic number.

9399642 is an abundant number, since it is smaller than the sum of its proper divisors (13217958).

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

9399642 is a wasteful number, since it uses less digits than its factorization.

9399642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11810.

The product of its digits is 104976, while the sum is 42.

The square root of 9399642 is about 3065.8835594327. The cubic root of 9399642 is about 211.0427501858.

The spelling of 9399642 in words is "nine million, three hundred ninety-nine thousand, six hundred forty-two".