1628698316 has 24 divisors (see below), whose sum is σ = 3428839680. Its totient is φ = 661275792.

The previous prime is 1628698307. The next prime is 1628698339. The reversal of 1628698316 is 6138968261.

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, 1530200 + ... + 1531263.

It is an arithmetic number, because the mean of its divisors is an integer number (142868320).

Almost surely, 2^1628698316 is an apocalyptic number.

It is an amenable number.

1628698316 is an abundant number, since it is smaller than the sum of its proper divisors (1800141364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1628698316 is a wasteful number, since it uses less digits than its factorization.

1628698316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061493 (or 3061491 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The square root of 1628698316 is about 40357.1346356502. The cubic root of 1628698316 is about 1176.5585633480.

The spelling of 1628698316 in words is "one billion, six hundred twenty-eight million, six hundred ninety-eight thousand, three hundred sixteen".