869390 has 8 divisors (see below), whose sum is σ = 1564920. Its totient is φ = 347752.

The previous prime is 869381. The next prime is 869399. The reversal of 869390 is 93968.

It is an interprime number because it is at equal distance from previous prime (869381) and next prime (869399).

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

It is a self number, because there is not a number n which added to its sum of digits gives 869390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43460 + ... + 43479.

It is an arithmetic number, because the mean of its divisors is an integer number (195615).

2⁸⁶⁹³⁹⁰ is an apocalyptic number.

869390 is a deficient number, since it is larger than the sum of its proper divisors (695530).

869390 is a wasteful number, since it uses less digits than its factorization.

869390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86946.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 869390 is about 932.4108536477. The cubic root of 869390 is about 95.4417103611.

The spelling of 869390 in words is "eight hundred sixty-nine thousand, three hundred ninety".