628354794 has 32 divisors (see below), whose sum is σ = 1292267520. Its totient is φ = 203539392.

The previous prime is 628354789. The next prime is 628354801. The reversal of 628354794 is 497453826.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282832 + ... + 285044.

It is an arithmetic number, because the mean of its divisors is an integer number (40383360).

Almost surely, 2^628354794 is an apocalyptic number.

628354794 is an abundant number, since it is smaller than the sum of its proper divisors (663912726).

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

628354794 is a wasteful number, since it uses less digits than its factorization.

628354794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534.

The product of its digits is 1451520, while the sum is 48.

The square root of 628354794 is about 25067.0060836950. The cubic root of 628354794 is about 856.5150089264.

The spelling of 628354794 in words is "six hundred twenty-eight million, three hundred fifty-four thousand, seven hundred ninety-four".