84869654 has 12 divisors (see below), whose sum is σ = 129088476. Its totient is φ = 41848272.

The previous prime is 84869623. The next prime is 84869657. The reversal of 84869654 is 45696848.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84869657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6677 + ... + 14639.

It is an arithmetic number, because the mean of its divisors is an integer number (10757373).

Almost surely, 2^84869654 is an apocalyptic number.

84869654 is a deficient number, since it is larger than the sum of its proper divisors (44218822).

84869654 is an equidigital number, since it uses as much as digits as its factorization.

84869654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8111 (or 8038 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The square root of 84869654 is about 9212.4727408009. The cubic root of 84869654 is about 439.4581035448.

The spelling of 84869654 in words is "eighty-four million, eight hundred sixty-nine thousand, six hundred fifty-four".