8642454 has 32 divisors (see below), whose sum is σ = 18593280. Its totient is φ = 2669472.

The previous prime is 8642453. The next prime is 8642467. The reversal of 8642454 is 4542468.

It is a super-2 number, since 2×8642454² = 149384022284232, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8642453) 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, 4552 + ... + 6164.

It is an arithmetic number, because the mean of its divisors is an integer number (581040).

Almost surely, 2^8642454 is an apocalyptic number.

8642454 is an abundant number, since it is smaller than the sum of its proper divisors (9950826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8642454 is a wasteful number, since it uses less digits than its factorization.

8642454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684.

The product of its digits is 30720, while the sum is 33.

The square root of 8642454 is about 2939.8050955803. The cubic root of 8642454 is about 205.2165389889.

The spelling of 8642454 in words is "eight million, six hundred forty-two thousand, four hundred fifty-four".