869404 has 6 divisors (see below), whose sum is σ = 1521464. Its totient is φ = 434700.

The previous prime is 869399. The next prime is 869413. The reversal of 869404 is 404968.

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, 108672 + ... + 108679.

2⁸⁶⁹⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

869404 is a deficient number, since it is larger than the sum of its proper divisors (652060).

869404 is a wasteful number, since it uses less digits than its factorization.

869404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217355 (or 217353 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 869404 is about 932.4183610376. The cubic root of 869404 is about 95.4422226654.

The spelling of 869404 in words is "eight hundred sixty-nine thousand, four hundred four".