1685352 has 16 divisors (see below), whose sum is σ = 4213440. Its totient is φ = 561776.

The previous prime is 1685323. The next prime is 1685381. The reversal of 1685352 is 2535861.

It is an interprime number because it is at equal distance from previous prime (1685323) and next prime (1685381).

It is a super-2 number, since 2×1685352² = 5680822727808, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35088 + ... + 35135.

It is an arithmetic number, because the mean of its divisors is an integer number (263340).

2^1685352 is an apocalyptic number.

1685352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1685352 is an abundant number, since it is smaller than the sum of its proper divisors (2528088).

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

1685352 is a wasteful number, since it uses less digits than its factorization.

1685352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70232 (or 70228 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 1685352 is about 1298.2110768284. The cubic root of 1685352 is about 119.0045428202.

The spelling of 1685352 in words is "one million, six hundred eighty-five thousand, three hundred fifty-two".