1697342 has 4 divisors (see below), whose sum is σ = 2546016. Its totient is φ = 848670.

The previous prime is 1697321. The next prime is 1697347. The reversal of 1697342 is 2437961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2437961 = 739 ⋅3299.

It is a d-powerful number, because it can be written as 1 + 6⁵ + 9⁵ + 7⁴ + 3¹³ + 4⁵ + 2¹⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 1697299 and 1697308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1697347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424334 + ... + 424337.

It is an arithmetic number, because the mean of its divisors is an integer number (636504).

2^1697342 is an apocalyptic number.

1697342 is a deficient number, since it is larger than the sum of its proper divisors (848674).

1697342 is an equidigital number, since it uses as much as digits as its factorization.

1697342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848673.

The product of its digits is 9072, while the sum is 32.

The square root of 1697342 is about 1302.8207858336. The cubic root of 1697342 is about 119.2860852108.

The spelling of 1697342 in words is "one million, six hundred ninety-seven thousand, three hundred forty-two".