407421085 has 16 divisors (see below), whose sum is σ = 520430400. Its totient is φ = 305306496.

The previous prime is 407421073. The next prime is 407421089. The reversal of 407421085 is 580124704.

It is a cyclic number.

It is not a de Polignac number, because 407421085 - 2²³ = 399032477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407421089) 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 15 ways as a sum of consecutive naturals, for example, 15639 + ... + 32548.

It is an arithmetic number, because the mean of its divisors is an integer number (32526900).

Almost surely, 2^407421085 is an apocalyptic number.

It is an amenable number.

407421085 is a deficient number, since it is larger than the sum of its proper divisors (113009315).

407421085 is a wasteful number, since it uses less digits than its factorization.

407421085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48300.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 407421085 is about 20184.6745081510. The cubic root of 407421085 is about 741.3349927710.

Adding to 407421085 its reverse (580124704), we get a palindrome (987545789).

The spelling of 407421085 in words is "four hundred seven million, four hundred twenty-one thousand, eighty-five".