8454491 has 4 divisors (see below), whose sum is σ = 8951832. Its totient is φ = 7957152.

The previous prime is 8454461. The next prime is 8454493. The reversal of 8454491 is 1944548.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8454491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8454493) 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, 248645 + ... + 248678.

It is an arithmetic number, because the mean of its divisors is an integer number (2237958).

Almost surely, 2^8454491 is an apocalyptic number.

8454491 is a deficient number, since it is larger than the sum of its proper divisors (497341).

8454491 is a wasteful number, since it uses less digits than its factorization.

8454491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497340.

The product of its digits is 23040, while the sum is 35.

The square root of 8454491 is about 2907.6607436219. The cubic root of 8454491 is about 203.7178834545.

The spelling of 8454491 in words is "eight million, four hundred fifty-four thousand, four hundred ninety-one".