8455538 has 24 divisors (see below), whose sum is σ = 15891372. Its totient is φ = 3344544.

The previous prime is 8455507. The next prime is 8455543. The reversal of 8455538 is 8355548.

It can be written as a sum of positive squares in 2 ways, for example, as 6315169 + 2140369 = 2513^2 + 1463^2 .

It is a super-2 number, since 2×8455538² = 142992245738888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2045 + ... + 4592.

Almost surely, 2^8455538 is an apocalyptic number.

8455538 is a deficient number, since it is larger than the sum of its proper divisors (7435834).

8455538 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 8455538 = (4855853)₁₁.

8455538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6666 (or 6659 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

The square root of 8455538 is about 2907.8407796852. The cubic root of 8455538 is about 203.7262925482.

Subtracting from 8455538 its product of digits (96000), we obtain a palindrome (8359538).

The spelling of 8455538 in words is "eight million, four hundred fifty-five thousand, five hundred thirty-eight".