1670018 has 12 divisors (see below), whose sum is σ = 2914182. Its totient is φ = 715680.

The previous prime is 1670017. The next prime is 1670057. The reversal of 1670018 is 8100761.

It can be written as a sum of positive squares in only one way, i.e., 1087849 + 582169 = 1043^2 + 763^2 .

It is a nialpdrome in base 6.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 1669975 and 1670002.

It is not an unprimeable number, because it can be changed into a prime (1670017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8423 + ... + 8618.

2^1670018 is an apocalyptic number.

1670018 is a deficient number, since it is larger than the sum of its proper divisors (1244164).

1670018 is a wasteful number, since it uses less digits than its factorization.

1670018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17057 (or 17050 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 1670018 is about 1292.2917627223. The cubic root of 1670018 is about 118.6425258444.

Adding to 1670018 its reverse (8100761), we get a palindrome (9770779).

The spelling of 1670018 in words is "one million, six hundred seventy thousand, eighteen".