428955790 has 8 divisors (see below), whose sum is σ = 772120440. Its totient is φ = 171582312.

The previous prime is 428955731. The next prime is 428955823. The reversal of 428955790 is 97559824.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21447780 + ... + 21447799.

It is an arithmetic number, because the mean of its divisors is an integer number (96515055).

Almost surely, 2^428955790 is an apocalyptic number.

428955790 is a deficient number, since it is larger than the sum of its proper divisors (343164650).

428955790 is a wasteful number, since it uses less digits than its factorization.

428955790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42895586.

The product of its (nonzero) digits is 907200, while the sum is 49.

The square root of 428955790 is about 20711.2479102540. The cubic root of 428955790 is about 754.1727646947.

The spelling of 428955790 in words is "four hundred twenty-eight million, nine hundred fifty-five thousand, seven hundred ninety".