8490471 has 8 divisors (see below), whose sum is σ = 12349824. Its totient is φ = 5145720.

The previous prime is 8490457. The next prime is 8490487. The reversal of 8490471 is 1740948.

8490471 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 a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8490471 - 2⁵ = 8490439 is a prime.

It is a super-3 number, since 3×8490471³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 257287 = 8490471 / (8 + 4 + 9 + 0 + 4 + 7 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8490401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128611 + ... + 128676.

It is an arithmetic number, because the mean of its divisors is an integer number (1543728).

Almost surely, 2^8490471 is an apocalyptic number.

8490471 is a deficient number, since it is larger than the sum of its proper divisors (3859353).

8490471 is a wasteful number, since it uses less digits than its factorization.

8490471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257301.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 8490471 is about 2913.8412791365. The cubic root of 8490471 is about 204.0064636553.

The spelling of 8490471 in words is "eight million, four hundred ninety thousand, four hundred seventy-one".