434876840 has 32 divisors (see below), whose sum is σ = 990269280. Its totient is φ = 171853632.

The previous prime is 434876821. The next prime is 434876861. The reversal of 434876840 is 48678434.

It is a junction number, because it is equal to n+sod(n) for n = 434876791 and 434876800.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62174 + ... + 68813.

It is an arithmetic number, because the mean of its divisors is an integer number (30945915).

Almost surely, 2^434876840 is an apocalyptic number.

434876840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

434876840 is an abundant number, since it is smaller than the sum of its proper divisors (555392440).

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

434876840 is a wasteful number, since it uses less digits than its factorization.

434876840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131081 (or 131077 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 44.

The square root of 434876840 is about 20853.7008705889. The cubic root of 434876840 is about 757.6269702604.

The spelling of 434876840 in words is "four hundred thirty-four million, eight hundred seventy-six thousand, eight hundred forty".