628660046 has 8 divisors (see below), whose sum is σ = 1077702960. Its totient is φ = 269425728.

The previous prime is 628660031. The next prime is 628660069. The reversal of 628660046 is 640066826.

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

It is a junction number, because it is equal to n+sod(n) for n = 628659991 and 628660009.

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, 22452131 + ... + 22452158.

It is an arithmetic number, because the mean of its divisors is an integer number (134712870).

Almost surely, 2^628660046 is an apocalyptic number.

628660046 is a deficient number, since it is larger than the sum of its proper divisors (449042914).

628660046 is a wasteful number, since it uses less digits than its factorization.

628660046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44904298.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 628660046 is about 25073.0940651528. The cubic root of 628660046 is about 856.6536835498.

The spelling of 628660046 in words is "six hundred twenty-eight million, six hundred sixty thousand, forty-six".