84562490 has 16 divisors (see below), whose sum is σ = 158830848. Its totient is φ = 32354256.

The previous prime is 84562487. The next prime is 84562519. The reversal of 84562490 is 9426548.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183602 + ... + 184061.

It is an arithmetic number, because the mean of its divisors is an integer number (9926928).

Almost surely, 2^84562490 is an apocalyptic number.

84562490 is a deficient number, since it is larger than the sum of its proper divisors (74268358).

84562490 is a wasteful number, since it uses less digits than its factorization.

84562490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367693.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 84562490 is about 9195.7865351475. The cubic root of 84562490 is about 438.9272939266.

The spelling of 84562490 in words is "eighty-four million, five hundred sixty-two thousand, four hundred ninety".