1946564536 has 16 divisors (see below), whose sum is σ = 4171209840. Its totient is φ = 834241920.

The previous prime is 1946564533. The next prime is 1946564539. The reversal of 1946564536 is 6354656491.

It is an interprime number because it is at equal distance from previous prime (1946564533) and next prime (1946564539).

It is a super-2 number, since 2×1946564536² = 7578226985625790592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1946564536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1946564531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17379985 + ... + 17380096.

It is an arithmetic number, because the mean of its divisors is an integer number (260700615).

Almost surely, 2^1946564536 is an apocalyptic number.

It is an amenable number.

1946564536 is an abundant number, since it is smaller than the sum of its proper divisors (2224645304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1946564536 is a wasteful number, since it uses less digits than its factorization.

1946564536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34760094 (or 34760090 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 49.

The square root of 1946564536 is about 44119.8882138203. Note that the first 3 decimals coincide. The cubic root of 1946564536 is about 1248.5988643887.

The spelling of 1946564536 in words is "one billion, nine hundred forty-six million, five hundred sixty-four thousand, five hundred thirty-six".