85290646 has 8 divisors (see below), whose sum is σ = 146212560. Its totient is φ = 36553128.

The previous prime is 85290643. The next prime is 85290659. The reversal of 85290646 is 64609258.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 85290599 and 85290608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85290643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3046081 + ... + 3046108.

It is an arithmetic number, because the mean of its divisors is an integer number (18276570).

Almost surely, 2^85290646 is an apocalyptic number.

85290646 is a deficient number, since it is larger than the sum of its proper divisors (60921914).

85290646 is a wasteful number, since it uses less digits than its factorization.

85290646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6092198.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 85290646 is about 9235.2934983140. The cubic root of 85290646 is about 440.1835425720.

The spelling of 85290646 in words is "eighty-five million, two hundred ninety thousand, six hundred forty-six".