9749856 has 24 divisors (see below), whose sum is σ = 25593624. Its totient is φ = 3249920.

The previous prime is 9749851. The next prime is 9749867. The reversal of 9749856 is 6589479.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a d-powerful number, because it can be written as 9⁷ + 7⁶ + 4⁸ + 9⁷ + 8³ + 5 + 6³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9749851) 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, 50685 + ... + 50876.

It is an arithmetic number, because the mean of its divisors is an integer number (1066401).

Almost surely, 2^9749856 is an apocalyptic number.

9749856 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

9749856 is an abundant number, since it is smaller than the sum of its proper divisors (15843768).

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

9749856 is a wasteful number, since it uses less digits than its factorization.

9749856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101574 (or 101566 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 9749856 is about 3122.4759406599. The cubic root of 9749856 is about 213.6318823484.

It can be divided in two parts, 974985 and 6, that multiplied together give a triangular number (5849910 = T₃₄₂₀).

The spelling of 9749856 in words is "nine million, seven hundred forty-nine thousand, eight hundred fifty-six".