84656486 has 4 divisors (see below), whose sum is σ = 126984732. Its totient is φ = 42328242.

The previous prime is 84656461. The next prime is 84656501. The reversal of 84656486 is 68465648.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 84656486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21164120 + ... + 21164123.

It is an arithmetic number, because the mean of its divisors is an integer number (31746183).

Almost surely, 2^84656486 is an apocalyptic number.

84656486 is a deficient number, since it is larger than the sum of its proper divisors (42328246).

84656486 is a wasteful number, since it uses less digits than its factorization.

84656486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42328245.

The product of its digits is 1105920, while the sum is 47.

The square root of 84656486 is about 9200.8959346359. The cubic root of 84656486 is about 439.0898645601.

The spelling of 84656486 in words is "eighty-four million, six hundred fifty-six thousand, four hundred eighty-six".