2061504 has 56 divisors (see below), whose sum is σ = 6065520. Its totient is φ = 686592.

The previous prime is 2061503. The next prime is 2061533. The reversal of 2061504 is 4051602.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2061503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132 + ... + 2324.

2^2061504 is an apocalyptic number.

2061504 is a gapful number since it is divisible by the number (24) 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 2061504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3032760).

2061504 is an abundant number, since it is smaller than the sum of its proper divisors (4004016).

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

2061504 is a wasteful number, since it uses less digits than its factorization.

2061504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214 (or 1198 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2061504 is about 1435.7938570700. The cubic root of 2061504 is about 127.2705909351.

The spelling of 2061504 in words is "two million, sixty-one thousand, five hundred four".