864051 has 8 divisors (see below), whose sum is σ = 1160400. Its totient is φ = 571872.

The previous prime is 864049. The next prime is 864053. The reversal of 864051 is 150468.

It is an interprime number because it is at equal distance from previous prime (864049) and next prime (864053).

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

It is not a de Polignac number, because 864051 - 2¹ = 864049 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864053) 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, 520 + ... + 1413.

It is an arithmetic number, because the mean of its divisors is an integer number (145050).

2⁸⁶⁴⁰⁵¹ is an apocalyptic number.

864051 is a deficient number, since it is larger than the sum of its proper divisors (296349).

864051 is a wasteful number, since it uses less digits than its factorization.

864051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 864051 is about 929.5434363170. The cubic root of 864051 is about 95.2459370964.

The spelling of 864051 in words is "eight hundred sixty-four thousand, fifty-one".