401004434 has 4 divisors (see below), whose sum is σ = 601506654. Its totient is φ = 200502216.

The previous prime is 401004433. The next prime is 401004451. The reversal of 401004434 is 434400104.

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

It can be written as a sum of positive squares in only one way, i.e., 378886225 + 22118209 = 19465^2 + 4703^2 .

It is not an unprimeable number, because it can be changed into a prime (401004433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100251107 + ... + 100251110.

Almost surely, 2^401004434 is an apocalyptic number.

401004434 is a deficient number, since it is larger than the sum of its proper divisors (200502220).

401004434 is a wasteful number, since it uses less digits than its factorization.

401004434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200502219.

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

The square root of 401004434 is about 20025.0951058915. The cubic root of 401004434 is about 737.4225119775.

Adding to 401004434 its reverse (434400104), we get a palindrome (835404538).

The spelling of 401004434 in words is "four hundred one million, four thousand, four hundred thirty-four".