407242 has 16 divisors (see below), whose sum is σ = 676512. Its totient is φ = 182320.

The previous prime is 407233. The next prime is 407249. The reversal of 407242 is 242704.

It is not an unprimeable number, because it can be changed into a prime (407249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2268 + ... + 2440.

It is an arithmetic number, because the mean of its divisors is an integer number (42282).

2⁴⁰⁷²⁴² is an apocalyptic number.

407242 is a deficient number, since it is larger than the sum of its proper divisors (269270).

407242 is a wasteful number, since it uses less digits than its factorization.

407242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 407242 is about 638.1551535481. The cubic root of 407242 is about 74.1226357063.

Adding to 407242 its reverse (242704), we get a palindrome (649946).

It can be divided in two parts, 4072 and 42, that added together give a palindrome (4114).

The spelling of 407242 in words is "four hundred seven thousand, two hundred forty-two", and thus it is an iban number.