8490169 has 8 divisors (see below), whose sum is σ = 9000000. Its totient is φ = 7986672.

The previous prime is 8490143. The next prime is 8490179. The reversal of 8490169 is 9610948.

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

It is a cyclic number.

It is not a de Polignac number, because 8490169 - 2¹⁵ = 8457401 is a prime.

It is a super-2 number, since 2×8490169² = 144165939297122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8490179) 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, 1332 + ... + 4330.

It is an arithmetic number, because the mean of its divisors is an integer number (1125000).

Almost surely, 2^8490169 is an apocalyptic number.

It is an amenable number.

8490169 is a deficient number, since it is larger than the sum of its proper divisors (509831).

8490169 is a wasteful number, since it uses less digits than its factorization.

8490169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3167.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 8490169 is about 2913.7894570473. The cubic root of 8490169 is about 204.0040448384.

The spelling of 8490169 in words is "eight million, four hundred ninety thousand, one hundred sixty-nine".