1683402428 has 12 divisors (see below), whose sum is σ = 2957418912. Its totient is φ = 838425600.

The previous prime is 1683402419. The next prime is 1683402437. The reversal of 1683402428 is 8242043861.

It is an interprime number because it is at equal distance from previous prime (1683402419) and next prime (1683402437).

It is a junction number, because it is equal to n+sod(n) for n = 1683402391 and 1683402400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817748 + ... + 819803.

It is an arithmetic number, because the mean of its divisors is an integer number (246451576).

Almost surely, 2^1683402428 is an apocalyptic number.

It is an amenable number.

1683402428 is a deficient number, since it is larger than the sum of its proper divisors (1274016484).

1683402428 is a wasteful number, since it uses less digits than its factorization.

1683402428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637812 (or 1637810 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 1683402428 is about 41029.2874420212. The cubic root of 1683402428 is about 1189.5863798011.

The spelling of 1683402428 in words is "one billion, six hundred eighty-three million, four hundred two thousand, four hundred twenty-eight".