826402 has 4 divisors (see below), whose sum is σ = 1239606. Its totient is φ = 413200.

The previous prime is 826393. The next prime is 826403. The reversal of 826402 is 204628.

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., 826281 + 121 = 909^2 + 11^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206599 + ... + 206602.

2⁸²⁶⁴⁰² is an apocalyptic number.

826402 is a deficient number, since it is larger than the sum of its proper divisors (413204).

826402 is a wasteful number, since it uses less digits than its factorization.

826402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413203.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 826402 is about 909.0665542192. The cubic root of 826402 is about 93.8419707822.

The spelling of 826402 in words is "eight hundred twenty-six thousand, four hundred two".