1046420644 has 6 divisors (see below), whose sum is σ = 1831236134. Its totient is φ = 523210320.

The previous prime is 1046420623. The next prime is 1046420647. The reversal of 1046420644 is 4460246401.

It can be written as a sum of positive squares in only one way, i.e., 954068544 + 92352100 = 30888^2 + 9610^2 .

It is not an unprimeable number, because it can be changed into a prime (1046420647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130802577 + ... + 130802584.

Almost surely, 2^1046420644 is an apocalyptic number.

It is an amenable number.

1046420644 is a deficient number, since it is larger than the sum of its proper divisors (784815490).

1046420644 is a wasteful number, since it uses less digits than its factorization.

1046420644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261605165 (or 261605163 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 1046420644 is about 32348.4256803944. The cubic root of 1046420644 is about 1015.2401072379.

The spelling of 1046420644 in words is "one billion, forty-six million, four hundred twenty thousand, six hundred forty-four".