434508660 has 72 divisors (see below), whose sum is σ = 1328142816. Its totient is φ = 114978240.

The previous prime is 434508643. The next prime is 434508677. The reversal of 434508660 is 66805434.

It is an interprime number because it is at equal distance from previous prime (434508643) and next prime (434508677).

It is a super-2 number, since 2×434508660² = 377595551229991200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14367 + ... + 32793.

It is an arithmetic number, because the mean of its divisors is an integer number (18446428).

Almost surely, 2^434508660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434508660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (664071408).

434508660 is an abundant number, since it is smaller than the sum of its proper divisors (893634156).

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

434508660 is a wasteful number, since it uses less digits than its factorization.

434508660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18573 (or 18568 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 434508660 is about 20844.8713116680. The cubic root of 434508660 is about 757.4130998571.

The spelling of 434508660 in words is "four hundred thirty-four million, five hundred eight thousand, six hundred sixty".