434023401 has 16 divisors (see below), whose sum is σ = 661827584. Its totient is φ = 247841424.

The previous prime is 434023397. The next prime is 434023453. The reversal of 434023401 is 104320434.

It is not a de Polignac number, because 434023401 - 2² = 434023397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434023001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27816 + ... + 40518.

It is an arithmetic number, because the mean of its divisors is an integer number (41364224).

Almost surely, 2^434023401 is an apocalyptic number.

It is an amenable number.

434023401 is a deficient number, since it is larger than the sum of its proper divisors (227804183).

434023401 is a wasteful number, since it uses less digits than its factorization.

434023401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14340.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 434023401 is about 20833.2282904019. The cubic root of 434023401 is about 757.1310353356.

Adding to 434023401 its reverse (104320434), we get a palindrome (538343835).

The spelling of 434023401 in words is "four hundred thirty-four million, twenty-three thousand, four hundred one".