434871380 has 18 divisors (see below), whose sum is σ = 913425786. Its totient is φ = 173911248.

The previous prime is 434871377. The next prime is 434871389. The reversal of 434871380 is 83178434.

It can be written as a sum of positive squares in only one way, i.e., 347897104 + 86974276 = 18652^2 + 9326^2 .

It is a super-2 number, since 2×434871380² = 378226234286208800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434871389) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90929 + ... + 95591.

It is an arithmetic number, because the mean of its divisors is an integer number (50745877).

Almost surely, 2^434871380 is an apocalyptic number.

It is an amenable number.

434871380 is an abundant number, since it is smaller than the sum of its proper divisors (478554406).

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

434871380 is an frugal number, since it uses more digits than its factorization.

434871380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9335 (or 4670 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 434871380 is about 20853.5699581630. The cubic root of 434871380 is about 757.6237995078.

The spelling of 434871380 in words is "four hundred thirty-four million, eight hundred seventy-one thousand, three hundred eighty".