85304329 has 16 divisors (see below), whose sum is σ = 94820544. Its totient is φ = 76096000.

The previous prime is 85304311. The next prime is 85304347. The reversal of 85304329 is 92340358.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85304311) and next prime (85304347).

It is a cyclic number.

It is not a de Polignac number, because 85304329 - 2¹⁵ = 85271561 is a prime.

It is a super-2 number, since 2×85304329² = 14553657092280482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85304294 and 85304303.

It is not an unprimeable number, because it can be changed into a prime (85314329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212529 + ... + 212929.

It is an arithmetic number, because the mean of its divisors is an integer number (5926284).

Almost surely, 2^85304329 is an apocalyptic number.

It is an amenable number.

85304329 is a deficient number, since it is larger than the sum of its proper divisors (9516215).

85304329 is a wasteful number, since it uses less digits than its factorization.

85304329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 85304329 is about 9236.0342680178. The cubic root of 85304329 is about 440.2070805551.

The spelling of 85304329 in words is "eighty-five million, three hundred four thousand, three hundred twenty-nine".