628406295 has 32 divisors (see below), whose sum is σ = 1101475584. Its totient is φ = 303398400.

The previous prime is 628406293. The next prime is 628406297. The reversal of 628406295 is 592604826.

628406295 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (628406293) and next prime (628406297).

It is not a de Polignac number, because 628406295 - 2¹ = 628406293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628406291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31864 + ... + 47666.

It is an arithmetic number, because the mean of its divisors is an integer number (34421112).

Almost surely, 2^628406295 is an apocalyptic number.

628406295 is a deficient number, since it is larger than the sum of its proper divisors (473069289).

628406295 is a wasteful number, since it uses less digits than its factorization.

628406295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16063.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 628406295 is about 25068.0333293220. The cubic root of 628406295 is about 856.5384087502.

The spelling of 628406295 in words is "six hundred twenty-eight million, four hundred six thousand, two hundred ninety-five".