85693040 has 40 divisors (see below), whose sum is σ = 209726160. Its totient is φ = 32472576.

The previous prime is 85693033. The next prime is 85693043. The reversal of 85693040 is 4039658.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85693043) 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, 26669 + ... + 29708.

It is an arithmetic number, because the mean of its divisors is an integer number (5243154).

Almost surely, 2^85693040 is an apocalyptic number.

85693040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85693040 is an abundant number, since it is smaller than the sum of its proper divisors (124033120).

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

85693040 is a wasteful number, since it uses less digits than its factorization.

85693040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56409 (or 56403 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 85693040 is about 9257.0535269058. The cubic root of 85693040 is about 440.8747062401.

The spelling of 85693040 in words is "eighty-five million, six hundred ninety-three thousand, forty".