863242 has 4 divisors (see below), whose sum is σ = 1294866. Its totient is φ = 431620.

The previous prime is 863231. The next prime is 863251. The reversal of 863242 is 242368.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 772641 + 90601 = 879^2 + 301^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215809 + ... + 215812.

2⁸⁶³²⁴² is an apocalyptic number.

863242 is a deficient number, since it is larger than the sum of its proper divisors (431624).

863242 is a wasteful number, since it uses less digits than its factorization.

863242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431623.

The product of its digits is 2304, while the sum is 25.

The square root of 863242 is about 929.1081745416. The cubic root of 863242 is about 95.2162019596.

The spelling of 863242 in words is "eight hundred sixty-three thousand, two hundred forty-two".