84815950 has 48 divisors (see below), whose sum is σ = 166167936. Its totient is φ = 32146400.

The previous prime is 84815947. The next prime is 84815959. The reversal of 84815950 is 5951848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84815959) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 150369 + ... + 150931.

It is an arithmetic number, because the mean of its divisors is an integer number (3461832).

Almost surely, 2^84815950 is an apocalyptic number.

84815950 is a deficient number, since it is larger than the sum of its proper divisors (81351986).

84815950 is a wasteful number, since it uses less digits than its factorization.

84815950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 84815950 is about 9209.5575355171. The cubic root of 84815950 is about 439.3653902420.

The spelling of 84815950 in words is "eighty-four million, eight hundred fifteen thousand, nine hundred fifty".