407945 has 8 divisors (see below), whose sum is σ = 495936. Its totient is φ = 322096.

The previous prime is 407923. The next prime is 407947. The reversal of 407945 is 549704.

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

It is a cyclic number.

It is not a de Polignac number, because 407945 - 2¹² = 403849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (407947) 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, 77 + ... + 906.

It is an arithmetic number, because the mean of its divisors is an integer number (61992).

2⁴⁰⁷⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

407945 is a deficient number, since it is larger than the sum of its proper divisors (87991).

407945 is an equidigital number, since it uses as much as digits as its factorization.

407945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 407945 is about 638.7057225358. The cubic root of 407945 is about 74.1652624964.

The spelling of 407945 in words is "four hundred seven thousand, nine hundred forty-five".