• 490342² = 240435276964 is an anagram of the next square 490343² = 240436257649.

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490342 has 4 divisors (see below), whose sum is σ = 735516. Its totient is φ = 245170.

The previous prime is 490339. The next prime is 490367. The reversal of 490342 is 243094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243094 = 2 ⋅121547.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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, 122584 + ... + 122587.

It is an arithmetic number, because the mean of its divisors is an integer number (183879).

2⁴⁹⁰³⁴² is an apocalyptic number.

490342 is a deficient number, since it is larger than the sum of its proper divisors (245174).

490342 is a wasteful number, since it uses less digits than its factorization.

490342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245173.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 490342 is about 700.2442431038. The cubic root of 490342 is about 78.8556891166.

The spelling of 490342 in words is "four hundred ninety thousand, three hundred forty-two".