85388930 has 48 divisors (see below), whose sum is σ = 171327744. Its totient is φ = 30387360.

The previous prime is 85388929. The next prime is 85388969. The reversal of 85388930 is 3988358.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 382799 + ... + 383021.

It is an arithmetic number, because the mean of its divisors is an integer number (3569328).

Almost surely, 2^85388930 is an apocalyptic number.

85388930 is an abundant number, since it is smaller than the sum of its proper divisors (85938814).

85388930 is a wasteful number, since it uses less digits than its factorization.

85388930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 85388930 is about 9240.6130748993. The cubic root of 85388930 is about 440.3525583396.

The spelling of 85388930 in words is "eighty-five million, three hundred eighty-eight thousand, nine hundred thirty".