8491654 has 4 divisors (see below), whose sum is σ = 12737484. Its totient is φ = 4245826.

The previous prime is 8491643. The next prime is 8491663. The reversal of 8491654 is 4561948.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122912 + ... + 2122915.

It is an arithmetic number, because the mean of its divisors is an integer number (3184371).

Almost surely, 2^8491654 is an apocalyptic number.

8491654 is a deficient number, since it is larger than the sum of its proper divisors (4245830).

8491654 is a wasteful number, since it uses less digits than its factorization.

8491654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4245829.

The product of its digits is 34560, while the sum is 37.

The square root of 8491654 is about 2914.0442687097. The cubic root of 8491654 is about 204.0159381370.

The spelling of 8491654 in words is "eight million, four hundred ninety-one thousand, six hundred fifty-four".