1964682146 has 24 divisors (see below), whose sum is σ = 3629829996. Its totient is φ = 792476160.

The previous prime is 1964682131. The next prime is 1964682151. The reversal of 1964682146 is 6412864691.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1544883025 + 419799121 = 39305^2 + 20489^2 .

It is a super-3 number, since 3×1964682146³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1964682146.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 587975 + ... + 591306.

Almost surely, 2^1964682146 is an apocalyptic number.

1964682146 is a deficient number, since it is larger than the sum of its proper divisors (1665147850).

1964682146 is a wasteful number, since it uses less digits than its factorization.

1964682146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179314 (or 1179307 counting only the distinct ones).

The product of its digits is 497664, while the sum is 47.

The square root of 1964682146 is about 44324.7351486729. The cubic root of 1964682146 is about 1252.4606773551.

The spelling of 1964682146 in words is "one billion, nine hundred sixty-four million, six hundred eighty-two thousand, one hundred forty-six".