1670232 has 16 divisors (see below), whose sum is σ = 4175640. Its totient is φ = 556736.

The previous prime is 1670213. The next prime is 1670269. The reversal of 1670232 is 2320761.

It is a happy number.

It is a nialpdrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 1670199 and 1670208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34773 + ... + 34820.

2^1670232 is an apocalyptic number.

1670232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1670232 is an abundant number, since it is smaller than the sum of its proper divisors (2505408).

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

1670232 is a wasteful number, since it uses less digits than its factorization.

1670232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69602 (or 69598 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1670232 is about 1292.3745587097. The cubic root of 1670232 is about 118.6475933379.

Adding to 1670232 its reverse (2320761), we get a palindrome (3990993).

The spelling of 1670232 in words is "one million, six hundred seventy thousand, two hundred thirty-two".