1820976 has 40 divisors (see below), whose sum is σ = 4791360. Its totient is φ = 595776.

The previous prime is 1820969. The next prime is 1820977. The reversal of 1820976 is 6790281.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1820977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2511 + ... + 3153.

It is an arithmetic number, because the mean of its divisors is an integer number (119784).

2^1820976 is an apocalyptic number.

1820976 is a gapful number since it is divisible by the number (16) 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 1820976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2395680).

1820976 is an abundant number, since it is smaller than the sum of its proper divisors (2970384).

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

1820976 is a wasteful number, since it uses less digits than its factorization.

1820976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1820976 is about 1349.4354375071. The cubic root of 1820976 is about 122.1147357422.

The spelling of 1820976 in words is "one million, eight hundred twenty thousand, nine hundred seventy-six".