1552980 has 96 divisors (see below), whose sum is σ = 5136768. Its totient is φ = 345600.

The previous prime is 1552963. The next prime is 1552981. The reversal of 1552980 is 892551.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552981) 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 31 ways as a sum of consecutive naturals, for example, 8490 + ... + 8670.

It is an arithmetic number, because the mean of its divisors is an integer number (53508).

2^1552980 is an apocalyptic number.

1552980 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 1552980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2568384).

1552980 is an abundant number, since it is smaller than the sum of its proper divisors (3583788).

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

1552980 is a wasteful number, since it uses less digits than its factorization.

1552980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 1552980 is about 1246.1861819167. The cubic root of 1552980 is about 115.8035716487.

The spelling of 1552980 in words is "one million, five hundred fifty-two thousand, nine hundred eighty".