1820296 has 8 divisors (see below), whose sum is σ = 3413070. Its totient is φ = 910144.

The previous prime is 1820293. The next prime is 1820303. The reversal of 1820296 is 6920281.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1028196 + 792100 = 1014^2 + 890^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1820293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113761 + ... + 113776.

2^1820296 is an apocalyptic number.

It is an amenable number.

1820296 is a deficient number, since it is larger than the sum of its proper divisors (1592774).

1820296 is a wasteful number, since it uses less digits than its factorization.

1820296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227543 (or 227539 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1820296 is about 1349.1834567619. The cubic root of 1820296 is about 122.0995335724.

It can be divided in two parts, 1820 and 296, that added together give a square (2116 = 46²).

The spelling of 1820296 in words is "one million, eight hundred twenty thousand, two hundred ninety-six".