863402 has 8 divisors (see below), whose sum is σ = 1299396. Its totient is φ = 430272.

The previous prime is 863393. The next prime is 863479. The reversal of 863402 is 204368.

It is a happy number.

863402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 863041 + 361 = 929^2 + 19^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368 + ... + 1364.

2⁸⁶³⁴⁰² is an apocalyptic number.

863402 is a deficient number, since it is larger than the sum of its proper divisors (435994).

863402 is a wasteful number, since it uses less digits than its factorization.

863402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 863402 is about 929.1942746272. The cubic root of 863402 is about 95.2220843005. Note that the first 3 decimals are identical.

The spelling of 863402 in words is "eight hundred sixty-three thousand, four hundred two".