628724486 has 16 divisors (see below), whose sum is σ = 1018849104. Its totient is φ = 289261344.

The previous prime is 628724483. The next prime is 628724489. The reversal of 628724486 is 684427826.

It is an interprime number because it is at equal distance from previous prime (628724483) and next prime (628724489).

It is a self number, because there is not a number n which added to its sum of digits gives 628724486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628724483) 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, 29900 + ... + 46383.

It is an arithmetic number, because the mean of its divisors is an integer number (63678069).

Almost surely, 2^628724486 is an apocalyptic number.

628724486 is a deficient number, since it is larger than the sum of its proper divisors (390124618).

628724486 is a wasteful number, since it uses less digits than its factorization.

628724486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76615.

The product of its digits is 1032192, while the sum is 47.

The square root of 628724486 is about 25074.3790750639. The cubic root of 628724486 is about 856.6829526159.

The spelling of 628724486 in words is "six hundred twenty-eight million, seven hundred twenty-four thousand, four hundred eighty-six".