9862740 has 72 divisors (see below), whose sum is σ = 30193800. Its totient is φ = 2605824.

The previous prime is 9862739. The next prime is 9862747. The reversal of 9862740 is 472689.

It can be written as a sum of positive squares in 4 ways, for example, as 1077444 + 8785296 = 1038^2 + 2964^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 9862695 and 9862704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9862747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28086 + ... + 28434.

Almost surely, 2^9862740 is an apocalyptic number.

9862740 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a pronic number, being equal to 3140×3141.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9862740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15096900).

9862740 is an abundant number, since it is smaller than the sum of its proper divisors (20331060).

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

9862740 is a wasteful number, since it uses less digits than its factorization.

9862740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 9862740 is about 3140.4999601974. The cubic root of 9862740 is about 214.4531985851.

The spelling of 9862740 in words is "nine million, eight hundred sixty-two thousand, seven hundred forty".