84697850 has 12 divisors (see below), whose sum is σ = 157538094. Its totient is φ = 33879120.

The previous prime is 84697813. The next prime is 84697861. The reversal of 84697850 is 5879648.

It can be written as a sum of positive squares in 3 ways, for example, as 70174129 + 14523721 = 8377^2 + 3811^2 .

It is a hoax number, since the sum of its digits (47) 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 = 84697795 and 84697804.

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 5 ways as a sum of consecutive naturals, for example, 846929 + ... + 847028.

Almost surely, 2^84697850 is an apocalyptic number.

84697850 is a deficient number, since it is larger than the sum of its proper divisors (72840244).

84697850 is a wasteful number, since it uses less digits than its factorization.

84697850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693969 (or 1693964 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 84697850 is about 9203.1434847013. The cubic root of 84697850 is about 439.1613674722.

The spelling of 84697850 in words is "eighty-four million, six hundred ninety-seven thousand, eight hundred fifty".