9712491 has 16 divisors (see below), whose sum is σ = 13810464. Its totient is φ = 6050304.

The previous prime is 9712489. The next prime is 9712499. The reversal of 9712491 is 1942179.

9712491 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9712491 - 2¹ = 9712489 is a prime.

9712491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9712499) 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, 7401 + ... + 8613.

It is an arithmetic number, because the mean of its divisors is an integer number (863154).

Almost surely, 2^9712491 is an apocalyptic number.

9712491 is a deficient number, since it is larger than the sum of its proper divisors (4097973).

9712491 is a wasteful number, since it uses less digits than its factorization.

9712491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390.

The product of its digits is 4536, while the sum is 33.

The square root of 9712491 is about 3116.4869645163. The cubic root of 9712491 is about 213.3586279144.

The spelling of 9712491 in words is "nine million, seven hundred twelve thousand, four hundred ninety-one".