1683157 has 8 divisors (see below), whose sum is σ = 1947456. Its totient is φ = 1424832.

The previous prime is 1683113. The next prime is 1683169. The reversal of 1683157 is 7513861.

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

It is a cyclic number.

It is not a de Polignac number, because 1683157 - 2⁷ = 1683029 is a prime.

1683157 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1681157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 868 + ... + 2029.

It is an arithmetic number, because the mean of its divisors is an integer number (243432).

2^1683157 is an apocalyptic number.

It is an amenable number.

1683157 is a deficient number, since it is larger than the sum of its proper divisors (264299).

1683157 is an equidigital number, since it uses as much as digits as its factorization.

1683157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987.

The product of its digits is 5040, while the sum is 31.

The square root of 1683157 is about 1297.3654072774. The cubic root of 1683157 is about 118.9528565937.

The spelling of 1683157 in words is "one million, six hundred eighty-three thousand, one hundred fifty-seven".