628030263 has 8 divisors (see below), whose sum is σ = 956998528. Its totient is φ = 358874424.

The previous prime is 628030261. The next prime is 628030307. The reversal of 628030263 is 362030826.

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

It is not a de Polignac number, because 628030263 - 2¹ = 628030261 is a prime.

It is a super-2 number, since 2×628030263² = 788844022487698338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 628030263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628030261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14953081 + ... + 14953122.

It is an arithmetic number, because the mean of its divisors is an integer number (119624816).

Almost surely, 2^628030263 is an apocalyptic number.

628030263 is a deficient number, since it is larger than the sum of its proper divisors (328968265).

628030263 is a wasteful number, since it uses less digits than its factorization.

628030263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29906213.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 628030263 is about 25060.5319775938. The cubic root of 628030263 is about 856.3675266743.

The spelling of 628030263 in words is "six hundred twenty-eight million, thirty thousand, two hundred sixty-three".