1671393 has 8 divisors (see below), whose sum is σ = 2235168. Its totient is φ = 1110944.

The previous prime is 1671379. The next prime is 1671421. The reversal of 1671393 is 3931761.

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

It is a cyclic number.

It is not a de Polignac number, because 1671393 - 2¹⁷ = 1540321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1671393.

It is not an unprimeable number, because it can be changed into a prime (1671343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805 + ... + 1997.

It is an arithmetic number, because the mean of its divisors is an integer number (279396).

2^1671393 is an apocalyptic number.

It is an amenable number.

1671393 is a deficient number, since it is larger than the sum of its proper divisors (563775).

1671393 is a wasteful number, since it uses less digits than its factorization.

1671393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663.

The product of its digits is 3402, while the sum is 30.

The square root of 1671393 is about 1292.8236538678. The cubic root of 1671393 is about 118.6750781326.

The spelling of 1671393 in words is "one million, six hundred seventy-one thousand, three hundred ninety-three".