1685264 has 40 divisors (see below), whose sum is σ = 3833088. Its totient is φ = 702720.

The previous prime is 1685231. The next prime is 1685267. The reversal of 1685264 is 4625861.

It is a super-2 number, since 2×1685264² = 5680229499392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1685264.

It is not an unprimeable number, because it can be changed into a prime (1685267) 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, 4409 + ... + 4775.

2^1685264 is an apocalyptic number.

1685264 is a gapful number since it is divisible by the number (14) 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 1685264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1916544).

1685264 is an abundant number, since it is smaller than the sum of its proper divisors (2147824).

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

1685264 is a wasteful number, since it uses less digits than its factorization.

1685264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 417 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 1685264 is about 1298.1771835924. The cubic root of 1685264 is about 119.0024715255.

It can be divided in two parts, 16 and 85264, that multiplied together give a square (1364224 = 1168²).

The spelling of 1685264 in words is "one million, six hundred eighty-five thousand, two hundred sixty-four".