407042 has 8 divisors (see below), whose sum is σ = 613632. Its totient is φ = 202500.

The previous prime is 407023. The next prime is 407047. The reversal of 407042 is 240704.

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

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 407042.

It is not an unprimeable number, because it can be changed into a prime (407047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167 + ... + 917.

It is an arithmetic number, because the mean of its divisors is an integer number (76704).

2⁴⁰⁷⁰⁴² is an apocalyptic number.

407042 is a deficient number, since it is larger than the sum of its proper divisors (206590).

407042 is a wasteful number, since it uses less digits than its factorization.

407042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 407042 is about 637.9984326000. The cubic root of 407042 is about 74.1104996344.

Adding to 407042 its reverse (240704), we get a palindrome (647746).

The spelling of 407042 in words is "four hundred seven thousand, forty-two", and thus it is an iban number.