8542464 has 108 divisors (see below), whose sum is σ = 26563824. Its totient is φ = 2429952.

The previous prime is 8542463. The next prime is 8542481. The reversal of 8542464 is 4642458.

It is not an unprimeable number, because it can be changed into a prime (8542463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37519 + ... + 37745.

Almost surely, 2^8542464 is an apocalyptic number.

8542464 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8542464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13281912).

8542464 is an abundant number, since it is smaller than the sum of its proper divisors (18021360).

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

8542464 is a wasteful number, since it uses less digits than its factorization.

8542464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 239 counting only the distinct ones).

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

The square root of 8542464 is about 2922.7493905568. The cubic root of 8542464 is about 204.4220405331.

Adding to 8542464 its product of digits (30720), we get a square (8573184 = 2928²).

The spelling of 8542464 in words is "eight million, five hundred forty-two thousand, four hundred sixty-four".