434404428 has 24 divisors (see below), whose sum is σ = 1017822960. Its totient is φ = 144199680.

The previous prime is 434404393. The next prime is 434404441. The reversal of 434404428 is 824404434.

434404428 is a modest number, since divided by 4428 gives 4344 as remainder.

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, 72213 + ... + 77996.

It is an arithmetic number, because the mean of its divisors is an integer number (42409290).

Almost surely, 2^434404428 is an apocalyptic number.

It is an amenable number.

434404428 is an abundant number, since it is smaller than the sum of its proper divisors (583418532).

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

434404428 is a wasteful number, since it uses less digits than its factorization.

434404428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150457 (or 150455 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

The square root of 434404428 is about 20842.3709783700. The cubic root of 434404428 is about 757.3525310637.

The spelling of 434404428 in words is "four hundred thirty-four million, four hundred four thousand, four hundred twenty-eight".