1942280 has 32 divisors (see below), whose sum is σ = 4449600. Its totient is φ = 762816.

The previous prime is 1942273. The next prime is 1942307. The reversal of 1942280 is 822491.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1949 + ... + 2771.

It is an arithmetic number, because the mean of its divisors is an integer number (139050).

2^1942280 is an apocalyptic number.

1942280 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 1942280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2224800).

1942280 is an abundant number, since it is smaller than the sum of its proper divisors (2507320).

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

1942280 is a wasteful number, since it uses less digits than its factorization.

With its successor (1942281) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (893).

1942280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1942280 is about 1393.6570596815. The cubic root of 1942280 is about 124.7682104545.

It can be divided in two parts, 1942 and 280, that added together give a palindrome (2222).

The spelling of 1942280 in words is "one million, nine hundred forty-two thousand, two hundred eighty".