9994740 has 96 divisors (see below), whose sum is σ = 32659200. Its totient is φ = 2236416.

The previous prime is 9994739. The next prime is 9994753. The reversal of 9994740 is 474999.

9994740 = T₄₉₉ + T₅₀₀ + ... + T₅₆₈.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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 = 9994692 and 9994701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22036 + ... + 22484.

It is an arithmetic number, because the mean of its divisors is an integer number (340200).

Almost surely, 2^9994740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9994740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16329600).

9994740 is an abundant number, since it is smaller than the sum of its proper divisors (22664460).

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

9994740 is a wasteful number, since it uses less digits than its factorization.

9994740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 9994740 is about 3161.4458717492. The cubic root of 9994740 is about 215.4056879566.

The spelling of 9994740 in words is "nine million, nine hundred ninety-four thousand, seven hundred forty".