1678332 has 12 divisors (see below), whose sum is σ = 3916136. Its totient is φ = 559440.

The previous prime is 1678331. The next prime is 1678337. The reversal of 1678332 is 2338761.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1678332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1678331) 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, 69919 + ... + 69942.

2^1678332 is an apocalyptic number.

1678332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1678332 is an abundant number, since it is smaller than the sum of its proper divisors (2237804).

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

1678332 is a wasteful number, since it uses less digits than its factorization.

1678332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139868 (or 139866 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 1678332 is about 1295.5045349207. The cubic root of 1678332 is about 118.8390829249.

The spelling of 1678332 in words is "one million, six hundred seventy-eight thousand, three hundred thirty-two".