407497 has 4 divisors (see below), whose sum is σ = 411796. Its totient is φ = 403200.

The previous prime is 407489. The next prime is 407501. The reversal of 407497 is 794704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89401 + 318096 = 299^2 + 564^2 .

It is a cyclic number.

It is not a de Polignac number, because 407497 - 2³ = 407489 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (407437) 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 3 ways as a sum of consecutive naturals, for example, 2004 + ... + 2197.

It is an arithmetic number, because the mean of its divisors is an integer number (102949).

2⁴⁰⁷⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

407497 is a deficient number, since it is larger than the sum of its proper divisors (4299).

407497 is an equidigital number, since it uses as much as digits as its factorization.

407497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4298.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 407497 is about 638.3549169545. The cubic root of 407497 is about 74.1381034367.

The spelling of 407497 in words is "four hundred seven thousand, four hundred ninety-seven".