434450990 has 8 divisors (see below), whose sum is σ = 782011800. Its totient is φ = 173780392.

The previous prime is 434450977. The next prime is 434451023. The reversal of 434450990 is 99054434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21722540 + ... + 21722559.

It is an arithmetic number, because the mean of its divisors is an integer number (97751475).

Almost surely, 2^434450990 is an apocalyptic number.

434450990 is a deficient number, since it is larger than the sum of its proper divisors (347560810).

434450990 is a wasteful number, since it uses less digits than its factorization.

434450990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43445106.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 434450990 is about 20843.4879518760. The cubic root of 434450990 is about 757.3795892506.

The spelling of 434450990 in words is "four hundred thirty-four million, four hundred fifty thousand, nine hundred ninety".