628236766 has 16 divisors (see below), whose sum is σ = 993070368. Its totient is φ = 297484000.

The previous prime is 628236737. The next prime is 628236781. The reversal of 628236766 is 667632826.

628236766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62965 + ... + 72256.

It is an arithmetic number, because the mean of its divisors is an integer number (62066898).

Almost surely, 2^628236766 is an apocalyptic number.

628236766 is a deficient number, since it is larger than the sum of its proper divisors (364833602).

628236766 is a wasteful number, since it uses less digits than its factorization.

628236766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135347.

The product of its digits is 870912, while the sum is 46.

The square root of 628236766 is about 25064.6517230940. The cubic root of 628236766 is about 856.4613772919.

It can be divided in two parts, 628236 and 766, that multiplied together give a triangular number (481228776 = T₃₁₀₂₃).

The spelling of 628236766 in words is "six hundred twenty-eight million, two hundred thirty-six thousand, seven hundred sixty-six".