85304344 has 8 divisors (see below), whose sum is σ = 159945660. Its totient is φ = 42652168.

The previous prime is 85304311. The next prime is 85304347. The reversal of 85304344 is 44340358.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×85304344² = 14553662210540672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85304347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5331514 + ... + 5331529.

Almost surely, 2^85304344 is an apocalyptic number.

It is an amenable number.

85304344 is a deficient number, since it is larger than the sum of its proper divisors (74641316).

85304344 is a wasteful number, since it uses less digits than its factorization.

85304344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10663049 (or 10663045 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 85304344 is about 9236.0350800546. The cubic root of 85304344 is about 440.2071063573.

The spelling of 85304344 in words is "eighty-five million, three hundred four thousand, three hundred forty-four".