434729390 has 16 divisors (see below), whose sum is σ = 787201632. Its totient is φ = 172849824.

The previous prime is 434729377. The next prime is 434729411. The reversal of 434729390 is 93927434.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128489 + ... + 131828.

It is an arithmetic number, because the mean of its divisors is an integer number (49200102).

Almost surely, 2^434729390 is an apocalyptic number.

434729390 is a deficient number, since it is larger than the sum of its proper divisors (352472242).

434729390 is a wasteful number, since it uses less digits than its factorization.

434729390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260491.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 434729390 is about 20850.1652271631. The cubic root of 434729390 is about 757.5413331983.

The spelling of 434729390 in words is "four hundred thirty-four million, seven hundred twenty-nine thousand, three hundred ninety".