1925947966 has 8 divisors (see below), whose sum is σ = 2890956384. Its totient is φ = 962295840.

The previous prime is 1925947963. The next prime is 1925947967. The reversal of 1925947966 is 6697495291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1925947966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1925947963) 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 in 3 ways as a sum of consecutive naturals, for example, 335515 + ... + 341206.

It is an arithmetic number, because the mean of its divisors is an integer number (361369548).

Almost surely, 2^1925947966 is an apocalyptic number.

1925947966 is a deficient number, since it is larger than the sum of its proper divisors (965008418).

1925947966 is a wasteful number, since it uses less digits than its factorization.

1925947966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678146.

The product of its digits is 7348320, while the sum is 58.

The square root of 1925947966 is about 43885.6236824772. The cubic root of 1925947966 is about 1244.1751316351.

The spelling of 1925947966 in words is "one billion, nine hundred twenty-five million, nine hundred forty-seven thousand, nine hundred sixty-six".