1671396 has 24 divisors (see below), whose sum is σ = 4026624. Its totient is φ = 539040.

The previous prime is 1671379. The next prime is 1671421. The reversal of 1671396 is 6931761.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1875 + ... + 2618.

It is an arithmetic number, because the mean of its divisors is an integer number (167776).

2^1671396 is an apocalyptic number.

It is an amenable number.

1671396 is an abundant number, since it is smaller than the sum of its proper divisors (2355228).

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

1671396 is a wasteful number, since it uses less digits than its factorization.

1671396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531 (or 4529 counting only the distinct ones).

The product of its digits is 6804, while the sum is 33.

The square root of 1671396 is about 1292.8248141183. The cubic root of 1671396 is about 118.6751491362.

The spelling of 1671396 in words is "one million, six hundred seventy-one thousand, three hundred ninety-six".