85401806 has 24 divisors (see below), whose sum is σ = 155500560. Its totient is φ = 35008512.

The previous prime is 85401803. The next prime is 85401817. The reversal of 85401806 is 60810458.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85401803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16691 + ... + 21198.

It is an arithmetic number, because the mean of its divisors is an integer number (6479190).

Almost surely, 2^85401806 is an apocalyptic number.

85401806 is a deficient number, since it is larger than the sum of its proper divisors (70098754).

85401806 is a wasteful number, since it uses less digits than its factorization.

85401806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37928 (or 37921 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 85401806 is about 9241.3097556569. The cubic root of 85401806 is about 440.3746911639.

The spelling of 85401806 in words is "eighty-five million, four hundred one thousand, eight hundred six".