84254540 has 12 divisors (see below), whose sum is σ = 176934576. Its totient is φ = 33701808.

The previous prime is 84254539. The next prime is 84254551. The reversal of 84254540 is 4545248.

It is a super-2 number, since 2×84254540² = 14197655021223200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 84254497 and 84254506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2106344 + ... + 2106383.

It is an arithmetic number, because the mean of its divisors is an integer number (14744548).

Almost surely, 2^84254540 is an apocalyptic number.

It is an amenable number.

84254540 is an abundant number, since it is smaller than the sum of its proper divisors (92680036).

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

84254540 is a wasteful number, since it uses less digits than its factorization.

84254540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212736 (or 4212734 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 84254540 is about 9179.0271815700. The cubic root of 84254540 is about 438.3938341057.

Adding to 84254540 its reverse (4545248), we get a palindrome (88799788).

The spelling of 84254540 in words is "eighty-four million, two hundred fifty-four thousand, five hundred forty".