1820606962 has 16 divisors (see below), whose sum is σ = 2776901400. Its totient is φ = 895086720.

The previous prime is 1820606951. The next prime is 1820606981. The reversal of 1820606962 is 2696060281.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 753996681 + 1066610281 = 27459^2 + 32659^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3964 + ... + 60472.

Almost surely, 2^1820606962 is an apocalyptic number.

1820606962 is a deficient number, since it is larger than the sum of its proper divisors (956294438).

1820606962 is a wasteful number, since it uses less digits than its factorization.

1820606962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56781.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1820606962 is about 42668.5711267673. The cubic root of 1820606962 is about 1221.0648594966.

The spelling of 1820606962 in words is "one billion, eight hundred twenty million, six hundred six thousand, nine hundred sixty-two".