434004140 has 24 divisors (see below), whose sum is σ = 942837840. Its totient is φ = 167615168.

The previous prime is 434004133. The next prime is 434004149. The reversal of 434004140 is 41400434.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (434004149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373562 + ... + 374721.

It is an arithmetic number, because the mean of its divisors is an integer number (39284910).

Almost surely, 2^434004140 is an apocalyptic number.

It is an amenable number.

434004140 is an abundant number, since it is smaller than the sum of its proper divisors (508833700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

434004140 is a wasteful number, since it uses less digits than its factorization.

434004140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748321 (or 748319 counting only the distinct ones).

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

The square root of 434004140 is about 20832.7660189424. The cubic root of 434004140 is about 757.1198352355.

Adding to 434004140 its reverse (41400434), we get a palindrome (475404574).

The spelling of 434004140 in words is "four hundred thirty-four million, four thousand, one hundred forty".