84689476 has 6 divisors (see below), whose sum is σ = 148206590. Its totient is φ = 42344736.

The previous prime is 84689459. The next prime is 84689509. The reversal of 84689476 is 67498648.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 80568576 + 4120900 = 8976^2 + 2030^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10586181 + ... + 10586188.

Almost surely, 2^84689476 is an apocalyptic number.

It is an amenable number.

84689476 is a deficient number, since it is larger than the sum of its proper divisors (63517114).

84689476 is a wasteful number, since it uses less digits than its factorization.

84689476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21172373 (or 21172371 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 84689476 is about 9202.6885202097. The cubic root of 84689476 is about 439.1468938325.

The spelling of 84689476 in words is "eighty-four million, six hundred eighty-nine thousand, four hundred seventy-six".