628627462 has 16 divisors (see below), whose sum is σ = 999643680. Its totient is φ = 295458688.

The previous prime is 628627459. The next prime is 628627463. The reversal of 628627462 is 264726826.

It is a super-2 number, since 2×628627462² = 790344971961122888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628627463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17508 + ... + 39544.

It is an arithmetic number, because the mean of its divisors is an integer number (62477730).

Almost surely, 2^628627462 is an apocalyptic number.

628627462 is a deficient number, since it is larger than the sum of its proper divisors (371016218).

628627462 is a wasteful number, since it uses less digits than its factorization.

628627462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22895.

The product of its digits is 387072, while the sum is 43.

The square root of 628627462 is about 25072.4442765359. Note that the first 3 decimals coincide. The cubic root of 628627462 is about 856.6388829242.

The spelling of 628627462 in words is "six hundred twenty-eight million, six hundred twenty-seven thousand, four hundred sixty-two".