85951290 has 16 divisors (see below), whose sum is σ = 206283168. Its totient is φ = 22920336.

The previous prime is 85951279. The next prime is 85951291. The reversal of 85951290 is 9215958.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85951291) 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, 1432492 + ... + 1432551.

It is an arithmetic number, because the mean of its divisors is an integer number (12892698).

Almost surely, 2^85951290 is an apocalyptic number.

85951290 is an abundant number, since it is smaller than the sum of its proper divisors (120331878).

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

85951290 is a wasteful number, since it uses less digits than its factorization.

85951290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865053.

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 85951290 is about 9270.9918563226. The cubic root of 85951290 is about 441.3171447763.

The spelling of 85951290 in words is "eighty-five million, nine hundred fifty-one thousand, two hundred ninety".