1671338 has 8 divisors (see below), whose sum is σ = 2654532. Its totient is φ = 786496.

The previous prime is 1671337. The next prime is 1671343. The reversal of 1671338 is 8331761.

It can be written as a sum of positive squares in 2 ways, for example, as 1605289 + 66049 = 1267^2 + 257^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1671338.

It is not an unprimeable number, because it can be changed into a prime (1671337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24545 + ... + 24612.

2^1671338 is an apocalyptic number.

1671338 is a deficient number, since it is larger than the sum of its proper divisors (983194).

1671338 is a wasteful number, since it uses less digits than its factorization.

1671338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49176.

The product of its digits is 3024, while the sum is 29.

The square root of 1671338 is about 1292.8023824235. The cubic root of 1671338 is about 118.6737763839.

It can be divided in two parts, 167 and 1338, that multiplied together give a triangular number (223446 = T₆₆₈).

The spelling of 1671338 in words is "one million, six hundred seventy-one thousand, three hundred thirty-eight".