434321730 has 32 divisors (see below), whose sum is σ = 1158192000. Its totient is φ = 115819056.

The previous prime is 434321711. The next prime is 434321731. The reversal of 434321730 is 37123434.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 434321694 and 434321703.

It is not an unprimeable number, because it can be changed into a prime (434321731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804030 + ... + 804569.

It is an arithmetic number, because the mean of its divisors is an integer number (36193500).

Almost surely, 2^434321730 is an apocalyptic number.

434321730 is an abundant number, since it is smaller than the sum of its proper divisors (723870270).

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

434321730 is a wasteful number, since it uses less digits than its factorization.

434321730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608615 (or 1608609 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 434321730 is about 20840.3869925681. The cubic root of 434321730 is about 757.3044686972.

The spelling of 434321730 in words is "four hundred thirty-four million, three hundred twenty-one thousand, seven hundred thirty".