1628850312 has 48 divisors (see below), whose sum is σ = 4414950540. Its totient is φ = 542521728.

The previous prime is 1628850281. The next prime is 1628850367. The reversal of 1628850312 is 2130588261.

It is a happy number.

1628850312 is a `hidden beast` number, since 1 + 62 + 88 + 503 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1526152356 + 102697956 = 39066^2 + 10134^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90618 + ... + 107094.

Almost surely, 2^1628850312 is an apocalyptic number.

1628850312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1628850312 is an abundant number, since it is smaller than the sum of its proper divisors (2786100228).

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

1628850312 is a wasteful number, since it uses less digits than its factorization.

1628850312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17862 (or 17855 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1628850312 is about 40359.0177283838. The cubic root of 1628850312 is about 1176.5951624388.

The spelling of 1628850312 in words is "one billion, six hundred twenty-eight million, eight hundred fifty thousand, three hundred twelve".