428190654 has 8 divisors (see below), whose sum is σ = 856381320. Its totient is φ = 142730216.

The previous prime is 428190649. The next prime is 428190667. The reversal of 428190654 is 456091824.

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

428190654 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 35682549 + ... + 35682560.

It is an arithmetic number, because the mean of its divisors is an integer number (107047665).

Almost surely, 2^428190654 is an apocalyptic number.

428190654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

428190654 is a wasteful number, since it uses less digits than its factorization.

428190654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71365114.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 428190654 is about 20692.7681570156. The cubic root of 428190654 is about 753.7240874018.

The spelling of 428190654 in words is "four hundred twenty-eight million, one hundred ninety thousand, six hundred fifty-four".