434353920 has 576 divisors, whose sum is σ = 1879041024. Its totient is φ = 82575360.

The previous prime is 434353903. The next prime is 434353939. The reversal of 434353920 is 29353434.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3843784 + ... + 3843896.

It is an arithmetic number, because the mean of its divisors is an integer number (3262224).

Almost surely, 2^434353920 is an apocalyptic number.

434353920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434353920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (939520512).

434353920 is an abundant number, since it is smaller than the sum of its proper divisors (1444687104).

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

434353920 is a wasteful number, since it uses less digits than its factorization.

434353920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 434353920 is about 20841.1592767773. The cubic root of 434353920 is about 757.3231775843.

The spelling of 434353920 in words is "four hundred thirty-four million, three hundred fifty-three thousand, nine hundred twenty".