1670344 has 16 divisors (see below), whose sum is σ = 3373020. Its totient is φ = 770880.

The previous prime is 1670341. The next prime is 1670353. The reversal of 1670344 is 4430761.

It can be written as a sum of positive squares in 2 ways, for example, as 1232100 + 438244 = 1110^2 + 662^2 .

It is not an unprimeable number, because it can be changed into a prime (1670341) 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 3 ways as a sum of consecutive naturals, for example, 7927 + ... + 8134.

2^1670344 is an apocalyptic number.

It is an amenable number.

1670344 is an abundant number, since it is smaller than the sum of its proper divisors (1702676).

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

1670344 is a wasteful number, since it uses less digits than its factorization.

1670344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16080 (or 16076 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1670344 is about 1292.4178890746. The cubic root of 1670344 is about 118.6502453115.

The spelling of 1670344 in words is "one million, six hundred seventy thousand, three hundred forty-four".