642410 has 16 divisors (see below), whose sum is σ = 1165536. Its totient is φ = 254928.

The previous prime is 642407. The next prime is 642419. The reversal of 642410 is 14246.

It is not an unprimeable number, because it can be changed into a prime (642419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2129 + ... + 2411.

It is an arithmetic number, because the mean of its divisors is an integer number (72846).

2⁶⁴²⁴¹⁰ is an apocalyptic number.

642410 is a deficient number, since it is larger than the sum of its proper divisors (523126).

642410 is a wasteful number, since it uses less digits than its factorization.

642410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 642410 is about 801.5048346704. The cubic root of 642410 is about 86.2854226831.

Adding to 642410 its reverse (14246), we get a palindrome (656656).

The spelling of 642410 in words is "six hundred forty-two thousand, four hundred ten".