1670441 has 6 divisors (see below), whose sum is σ = 1701630. Its totient is φ = 1639616.

The previous prime is 1670419. The next prime is 1670447. The reversal of 1670441 is 1440761.

1670441 = T₃₈ + T₃₉ + ... + T₂₁₅.

It can be written as a sum of positive squares in 3 ways, for example, as 160000 + 1510441 = 400^2 + 1229^2 .

It is not a de Polignac number, because 1670441 - 2¹⁴ = 1654057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1670447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12125 + ... + 12261.

It is an arithmetic number, because the mean of its divisors is an integer number (283605).

2^1670441 is an apocalyptic number.

It is an amenable number.

1670441 is a deficient number, since it is larger than the sum of its proper divisors (31189).

1670441 is an frugal number, since it uses more digits than its factorization.

1670441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1670441 is about 1292.4554150918. The cubic root of 1670441 is about 118.6525420142.

The spelling of 1670441 in words is "one million, six hundred seventy thousand, four hundred forty-one".