9896742 has 20 divisors (see below), whose sum is σ = 22176396.
Its totient is φ = 3298860.
The previous prime is 9896741. The next prime is 9896749. The reversal of 9896742 is 2476989.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9896741) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 30384 + ... + 30707.
Almost surely, 29896742 is an apocalyptic number.
9896742 is an abundant number, since it is smaller than the sum of its proper divisors (12279654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9896742 is a wasteful number, since it uses less digits than its factorization.
9896742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61105 (or 61096 counting only the distinct ones).
The product of its digits is 217728, while the sum is 45.
The square root of 9896742 is about 3145.9087717224.
The cubic root of 9896742 is about 214.6993598643.
The spelling of 9896742 in words is "nine million, eight hundred ninety-six thousand, seven hundred forty-two".