1946720026 has 4 divisors (see below), whose sum is σ = 2920080042. Its totient is φ = 973360012.

The previous prime is 1946720021. The next prime is 1946720071. The reversal of 1946720026 is 6200276491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1556697025 + 390023001 = 39455^2 + 19749^2 .

It is not an unprimeable number, because it can be changed into a prime (1946720021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486680005 + ... + 486680008.

Almost surely, 2^1946720026 is an apocalyptic number.

1946720026 is a deficient number, since it is larger than the sum of its proper divisors (973360016).

1946720026 is an equidigital number, since it uses as much as digits as its factorization.

1946720026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973360015.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1946720026 is about 44121.6503091170. The cubic root of 1946720026 is about 1248.6321091925.

It can be divided in two parts, 19467 and 20026, that added together give a palindrome (39493).

The spelling of 1946720026 in words is "one billion, nine hundred forty-six million, seven hundred twenty thousand, twenty-six".