817342 has 16 divisors (see below), whose sum is σ = 1308240. Its totient is φ = 381888.

The previous prime is 817337. The next prime is 817357. The reversal of 817342 is 243718.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5128 + ... + 5284.

It is an arithmetic number, because the mean of its divisors is an integer number (81765).

2⁸¹⁷³⁴² is an apocalyptic number.

817342 is a deficient number, since it is larger than the sum of its proper divisors (490898).

817342 is a wasteful number, since it uses less digits than its factorization.

817342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315.

The product of its digits is 1344, while the sum is 25.

The square root of 817342 is about 904.0696875794. The cubic root of 817342 is about 93.4977741661.

The spelling of 817342 in words is "eight hundred seventeen thousand, three hundred forty-two".