434040401 has 4 divisors (see below), whose sum is σ = 434084532. Its totient is φ = 433996272.

The previous prime is 434040367. The next prime is 434040461. The reversal of 434040401 is 104040434.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 104040434 = 2 ⋅52020217.

It can be written as a sum of positive squares in 2 ways, for example, as 260854801 + 173185600 = 16151^2 + 13160^2 .

It is a cyclic number.

It is not a de Polignac number, because 434040401 - 2²² = 429846097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434040461) 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, 131 + ... + 29463.

It is an arithmetic number, because the mean of its divisors is an integer number (108521133).

Almost surely, 2^434040401 is an apocalyptic number.

It is an amenable number.

434040401 is a deficient number, since it is larger than the sum of its proper divisors (44131).

434040401 is a wasteful number, since it uses less digits than its factorization.

434040401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44130.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 434040401 is about 20833.6362884639. The cubic root of 434040401 is about 757.1409204090.

Adding to 434040401 its reverse (104040434), we get a palindrome (538080835).

The spelling of 434040401 in words is "four hundred thirty-four million, forty thousand, four hundred one".