1632040 has 16 divisors (see below), whose sum is σ = 3672180. Its totient is φ = 652800.

The previous prime is 1632031. The next prime is 1632041. The reversal of 1632040 is 402361.

It can be written as a sum of positive squares in 2 ways, for example, as 1552516 + 79524 = 1246^2 + 282^2 .

It is not an unprimeable number, because it can be changed into a prime (1632041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20361 + ... + 20440.

2^1632040 is an apocalyptic number.

1632040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1632040 is an abundant number, since it is smaller than the sum of its proper divisors (2040140).

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

1632040 is a wasteful number, since it uses less digits than its factorization.

1632040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40812 (or 40808 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1632040 is about 1277.5132093251. The cubic root of 1632040 is about 117.7362682196.

It can be divided in two parts, 163 and 2040, that multiplied together give a triangular number (332520 = T₈₁₅).

The spelling of 1632040 in words is "one million, six hundred thirty-two thousand, forty".