1670242 has 16 divisors (see below), whose sum is σ = 2918592. Its totient is φ = 702000.

The previous prime is 1670213. The next prime is 1670269. The reversal of 1670242 is 2420761.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 384 + ... + 1867.

It is an arithmetic number, because the mean of its divisors is an integer number (182412).

2^1670242 is an apocalyptic number.

1670242 is a deficient number, since it is larger than the sum of its proper divisors (1248350).

1670242 is a wasteful number, since it uses less digits than its factorization.

1670242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1670242 is about 1292.3784275513. The cubic root of 1670242 is about 118.6478301261.

The spelling of 1670242 in words is "one million, six hundred seventy thousand, two hundred forty-two".