851288 has 8 divisors (see below), whose sum is σ = 1596180. Its totient is φ = 425640.

The previous prime is 851273. The next prime is 851293. The reversal of 851288 is 882158.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53198 + ... + 53213.

2⁸⁵¹²⁸⁸ is an apocalyptic number.

It is an amenable number.

851288 is a deficient number, since it is larger than the sum of its proper divisors (744892).

851288 is a wasteful number, since it uses less digits than its factorization.

851288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106417 (or 106413 counting only the distinct ones).

The product of its digits is 5120, while the sum is 32.

The square root of 851288 is about 922.6526973894. The cubic root of 851288 is about 94.7746459047.

The spelling of 851288 in words is "eight hundred fifty-one thousand, two hundred eighty-eight".