85993149 has 32 divisors (see below), whose sum is σ = 131673600. Its totient is φ = 49434560.

The previous prime is 85993147. The next prime is 85993151. The reversal of 85993149 is 94139958.

It is an interprime number because it is at equal distance from previous prime (85993147) and next prime (85993151).

It is not a de Polignac number, because 85993149 - 2¹ = 85993147 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85993098 and 85993107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85993147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55702 + ... + 57224.

It is an arithmetic number, because the mean of its divisors is an integer number (4114800).

Almost surely, 2^85993149 is an apocalyptic number.

It is an amenable number.

85993149 is a deficient number, since it is larger than the sum of its proper divisors (45680451).

85993149 is a wasteful number, since it uses less digits than its factorization.

85993149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625.

The product of its digits is 349920, while the sum is 48.

The square root of 85993149 is about 9273.2491069743. The cubic root of 85993149 is about 441.3887748678.

The spelling of 85993149 in words is "eighty-five million, nine hundred ninety-three thousand, one hundred forty-nine".