1671936 has 72 divisors (see below), whose sum is σ = 5101824. Its totient is φ = 476160.

The previous prime is 1671907. The next prime is 1671941. The reversal of 1671936 is 6391761.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 1671897 and 1671906.

It is a congruent number.

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, 5221 + ... + 5531.

2^1671936 is an apocalyptic number.

1671936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1671936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2550912).

1671936 is an abundant number, since it is smaller than the sum of its proper divisors (3429888).

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

1671936 is an equidigital number, since it uses as much as digits as its factorization.

1671936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 323 counting only the distinct ones).

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

The square root of 1671936 is about 1293.0336422538. The cubic root of 1671936 is about 118.6879284098.

The spelling of 1671936 in words is "one million, six hundred seventy-one thousand, nine hundred thirty-six".