1671964 has 24 divisors (see below), whose sum is σ = 3371648. Its totient is φ = 710640.

The previous prime is 1671961. The next prime is 1671977. The reversal of 1671964 is 4691761.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1671961) 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, 5767 + ... + 6049.

2^1671964 is an apocalyptic number.

1671964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1671964 is an abundant number, since it is smaller than the sum of its proper divisors (1699684).

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

1671964 is a wasteful number, since it uses less digits than its factorization.

1671964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 503 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 1671964 is about 1293.0444694596. The cubic root of 1671964 is about 118.6885909638.

The spelling of 1671964 in words is "one million, six hundred seventy-one thousand, nine hundred sixty-four".