1863552 has 64 divisors (see below), whose sum is σ = 5189760. Its totient is φ = 591360.

The previous prime is 1863541. The next prime is 1863559. The reversal of 1863552 is 2553681.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1863559) 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, 8727 + ... + 8937.

It is an arithmetic number, because the mean of its divisors is an integer number (81090).

2^1863552 is an apocalyptic number.

1863552 is a gapful number since it is divisible by the number (12) 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 1863552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2594880).

1863552 is an abundant number, since it is smaller than the sum of its proper divisors (3326208).

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

1863552 is a wasteful number, since it uses less digits than its factorization.

1863552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 239 counting only the distinct ones).

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

The square root of 1863552 is about 1365.1197749648. The cubic root of 1863552 is about 123.0591294789.

It can be divided in two parts, 1863 and 552, that added together give a triangular number (2415 = T₆₉).

The spelling of 1863552 in words is "one million, eight hundred sixty-three thousand, five hundred fifty-two".