407028001 has 4 divisors (see below), whose sum is σ = 409956400. Its totient is φ = 404099604.

The previous prime is 407027993. The next prime is 407028007. The reversal of 407028001 is 100820704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 407028001 - 2³ = 407027993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (407028007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1463991 + ... + 1464268.

It is an arithmetic number, because the mean of its divisors is an integer number (102489100).

Almost surely, 2^407028001 is an apocalyptic number.

It is an amenable number.

407028001 is a deficient number, since it is larger than the sum of its proper divisors (2928399).

407028001 is a wasteful number, since it uses less digits than its factorization.

407028001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928398.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 407028001 is about 20174.9349689163. The cubic root of 407028001 is about 741.0965002115.

Adding to 407028001 its reverse (100820704), we get a palindrome (507848705).

The spelling of 407028001 in words is "four hundred seven million, twenty-eight thousand, one".