628628046 has 8 divisors (see below), whose sum is σ = 1257256104. Its totient is φ = 209542680.

The previous prime is 628628003. The next prime is 628628047. The reversal of 628628046 is 640826826.

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

628628046 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 628627989 and 628628007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628628047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52385665 + ... + 52385676.

It is an arithmetic number, because the mean of its divisors is an integer number (157157013).

Almost surely, 2^628628046 is an apocalyptic number.

628628046 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.

628628046 is a wasteful number, since it uses less digits than its factorization.

628628046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104771346.

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 628628046 is about 25072.4559227851. The cubic root of 628628046 is about 856.6391481990.

The spelling of 628628046 in words is "six hundred twenty-eight million, six hundred twenty-eight thousand, forty-six".