85798386 has 16 divisors (see below), whose sum is σ = 190663200. Its totient is φ = 28599444.

The previous prime is 85798381. The next prime is 85798387. The reversal of 85798386 is 68389758.

It is a happy number.

It is a super-2 number, since 2×85798386² = 14722726080409992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1588859 = 85798386 / (8 + 5 + 7 + 9 + 8 + 3 + 8 + 6).

It is not an unprimeable number, because it can be changed into a prime (85798381) 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, 794376 + ... + 794483.

It is an arithmetic number, because the mean of its divisors is an integer number (11916450).

Almost surely, 2^85798386 is an apocalyptic number.

85798386 is an abundant number, since it is smaller than the sum of its proper divisors (104864814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85798386 is a wasteful number, since it uses less digits than its factorization.

85798386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588870 (or 1588864 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 85798386 is about 9262.7418187057. The cubic root of 85798386 is about 441.0552940987.

The spelling of 85798386 in words is "eighty-five million, seven hundred ninety-eight thousand, three hundred eighty-six".