9870738 has 8 divisors (see below), whose sum is σ = 19741488. Its totient is φ = 3290244.

The previous prime is 9870737. The next prime is 9870787. The reversal of 9870738 is 8370789.

9870738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

9870738 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 9870738.

It is not an unprimeable number, because it can be changed into a prime (9870737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822556 + ... + 822567.

It is an arithmetic number, because the mean of its divisors is an integer number (2467686).

Almost surely, 2^9870738 is an apocalyptic number.

9870738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9870738 is a wasteful number, since it uses less digits than its factorization.

9870738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645128.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 9870738 is about 3141.7730662796. The cubic root of 9870738 is about 214.5111518265.

The spelling of 9870738 in words is "nine million, eight hundred seventy thousand, seven hundred thirty-eight".