1926481 has 2 divisors, whose sum is σ = 1926482. Its totient is φ = 1926480.

The previous prime is 1926473. The next prime is 1926487. The reversal of 1926481 is 1846291.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1915456 + 11025 = 1384^2 + 105^2 .

It is a cyclic number.

It is not a de Polignac number, because 1926481 - 2³ = 1926473 is a prime.

It is a super-2 number, since 2×1926481² = 7422658086722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1926487) 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 as a sum of consecutive naturals, namely, 963240 + 963241.

It is an arithmetic number, because the mean of its divisors is an integer number (963241).

2^1926481 is an apocalyptic number.

It is an amenable number.

1926481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1926481 is an equidigital number, since it uses as much as digits as its factorization.

1926481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The square root of 1926481 is about 1387.9773052900. The cubic root of 1926481 is about 124.4289902211.

The spelling of 1926481 in words is "one million, nine hundred twenty-six thousand, four hundred eighty-one".