1952820 has 72 divisors (see below), whose sum is σ = 6246240. Its totient is φ = 492480.

The previous prime is 1952813. The next prime is 1952833. The reversal of 1952820 is 282591.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3135 + ... + 3705.

2^1952820 is an apocalyptic number.

1952820 is a gapful number since it is divisible by the number (10) 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 1952820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3123120).

1952820 is an abundant number, since it is smaller than the sum of its proper divisors (4293420).

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

1952820 is a wasteful number, since it uses less digits than its factorization.

1952820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1952820 is about 1397.4333615597. The cubic root of 1952820 is about 124.9934929946.

It can be divided in two parts, 1952 and 820, that added together give a palindrome (2772).

The spelling of 1952820 in words is "one million, nine hundred fifty-two thousand, eight hundred twenty".