85597930 has 16 divisors (see below), whose sum is σ = 168083424. Its totient is φ = 31126480.

The previous prime is 85597921. The next prime is 85597933. The reversal of 85597930 is 3979558.

It is not an unprimeable number, because it can be changed into a prime (85597933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388972 + ... + 389191.

It is an arithmetic number, because the mean of its divisors is an integer number (10505214).

Almost surely, 2^85597930 is an apocalyptic number.

85597930 is a deficient number, since it is larger than the sum of its proper divisors (82485494).

85597930 is a wasteful number, since it uses less digits than its factorization.

85597930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778181.

The product of its (nonzero) digits is 340200, while the sum is 46.

The square root of 85597930 is about 9251.9149369198. The cubic root of 85597930 is about 440.7115381226.

The spelling of 85597930 in words is "eighty-five million, five hundred ninety-seven thousand, nine hundred thirty".