9771481 has 16 divisors (see below), whose sum is σ = 10986624. Its totient is φ = 8642304.

The previous prime is 9771473. The next prime is 9771533. The reversal of 9771481 is 1841779.

9771481 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9771481 - 2³ = 9771473 is a prime.

It is a super-2 number, since 2×9771481² = 190963681866722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9771481.

It is not an unprimeable number, because it can be changed into a prime (9771401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26011 + ... + 26383.

It is an arithmetic number, because the mean of its divisors is an integer number (686664).

Almost surely, 2^9771481 is an apocalyptic number.

It is an amenable number.

9771481 is a deficient number, since it is larger than the sum of its proper divisors (1215143).

9771481 is a wasteful number, since it uses less digits than its factorization.

9771481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480.

The product of its digits is 14112, while the sum is 37.

The square root of 9771481 is about 3125.9368195791. The cubic root of 9771481 is about 213.7897095724.

The spelling of 9771481 in words is "nine million, seven hundred seventy-one thousand, four hundred eighty-one".