1872532 has 6 divisors (see below), whose sum is σ = 3276938. Its totient is φ = 936264.

The previous prime is 1872529. The next prime is 1872547. The reversal of 1872532 is 2352781.

It can be written as a sum of positive squares in only one way, i.e., 1073296 + 799236 = 1036^2 + 894^2 .

It is a d-powerful number, because it can be written as 1 + 8² + 7³ + 2⁵ + 5⁶ + 3¹³ + 2¹⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 1872532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234063 + ... + 234070.

2^1872532 is an apocalyptic number.

It is an amenable number.

1872532 is a deficient number, since it is larger than the sum of its proper divisors (1404406).

1872532 is a wasteful number, since it uses less digits than its factorization.

1872532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468137 (or 468135 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 1872532 is about 1368.4049108360. The cubic root of 1872532 is about 123.2564767486.

Subtracting 1872532 from its reverse (2352781), we obtain a square (480249 = 693²).

The spelling of 1872532 in words is "one million, eight hundred seventy-two thousand, five hundred thirty-two".