1852664 has 32 divisors (see below), whose sum is σ = 3898800. Its totient is φ = 817920.

The previous prime is 1852663. The next prime is 1852679. The reversal of 1852664 is 4662581.

It is a self number, because there is not a number n which added to its sum of digits gives 1852664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1852663) 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, 2972 + ... + 3540.

2^1852664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1852664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1949400).

1852664 is an abundant number, since it is smaller than the sum of its proper divisors (2046136).

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

1852664 is a wasteful number, since it uses less digits than its factorization.

1852664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 619 counting only the distinct ones).

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

The square root of 1852664 is about 1361.1260044537. The cubic root of 1852664 is about 122.8189992071.

The spelling of 1852664 in words is "one million, eight hundred fifty-two thousand, six hundred sixty-four".