628413286 has 8 divisors (see below), whose sum is σ = 942727104. Its totient is φ = 314170920.

The previous prime is 628413263. The next prime is 628413287. The reversal of 628413286 is 682314826.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628413287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21291 + ... + 41353.

It is an arithmetic number, because the mean of its divisors is an integer number (117840888).

Almost surely, 2^628413286 is an apocalyptic number.

628413286 is a deficient number, since it is larger than the sum of its proper divisors (314313818).

628413286 is a wasteful number, since it uses less digits than its factorization.

628413286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35726.

The product of its digits is 110592, while the sum is 40.

The square root of 628413286 is about 25068.1727694701. The cubic root of 628413286 is about 856.5415850592.

The spelling of 628413286 in words is "six hundred twenty-eight million, four hundred thirteen thousand, two hundred eighty-six".