407342 has 8 divisors (see below), whose sum is σ = 658056. Its totient is φ = 187992.

The previous prime is 407321. The next prime is 407347. The reversal of 407342 is 243704.

It is a happy number.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 407342.

It is not an unprimeable number, because it can be changed into a prime (407347) by changing a digit.

407342 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 7808 + ... + 7859.

It is an arithmetic number, because the mean of its divisors is an integer number (82257).

2⁴⁰⁷³⁴² is an apocalyptic number.

407342 is a deficient number, since it is larger than the sum of its proper divisors (250714).

407342 is a wasteful number, since it uses less digits than its factorization.

407342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15682.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 407342 is about 638.2334995909. The cubic root of 407342 is about 74.1287022523.

The spelling of 407342 in words is "four hundred seven thousand, three hundred forty-two", and thus it is an iban number.