1683900628 has 12 divisors (see below), whose sum is σ = 2953634740. Its totient is φ = 840004992.

The previous prime is 1683900619. The next prime is 1683900637. The reversal of 1683900628 is 8260093861.

It is an interprime number because it is at equal distance from previous prime (1683900619) and next prime (1683900637).

It can be written as a sum of positive squares in 2 ways, for example, as 825527824 + 858372804 = 28732^2 + 29298^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484383 + ... + 487846.

Almost surely, 2^1683900628 is an apocalyptic number.

It is an amenable number.

1683900628 is a deficient number, since it is larger than the sum of its proper divisors (1269734112).

1683900628 is a wasteful number, since it uses less digits than its factorization.

1683900628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972666 (or 972664 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 1683900628 is about 41035.3582657688. The cubic root of 1683900628 is about 1189.7037202282.

The spelling of 1683900628 in words is "one billion, six hundred eighty-three million, nine hundred thousand, six hundred twenty-eight".