1862940 has 48 divisors (see below), whose sum is σ = 5312160. Its totient is φ = 487680.

The previous prime is 1862933. The next prime is 1862941. The reversal of 1862940 is 492681.

1862940 = 196² + 197² + ... + 235².

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

It is a junction number, because it is equal to n+sod(n) for n = 1862898 and 1862907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1862941) 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 15 ways as a sum of consecutive naturals, for example, 3406 + ... + 3914.

It is an arithmetic number, because the mean of its divisors is an integer number (110670).

2^1862940 is an apocalyptic number.

1862940 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 1862940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2656080).

1862940 is an abundant number, since it is smaller than the sum of its proper divisors (3449220).

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

1862940 is a wasteful number, since it uses less digits than its factorization.

1862940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1862940 is about 1364.8956004032. The cubic root of 1862940 is about 123.0456569217.

The spelling of 1862940 in words is "one million, eight hundred sixty-two thousand, nine hundred forty".