1946473646 has 16 divisors (see below), whose sum is σ = 3145231824. Its totient is φ = 898107264.

The previous prime is 1946473603. The next prime is 1946473657. The reversal of 1946473646 is 6463746491.

It is a junction number, because it is equal to n+sod(n) for n = 1946473594 and 1946473603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99641 + ... + 117563.

It is an arithmetic number, because the mean of its divisors is an integer number (196576989).

Almost surely, 2^1946473646 is an apocalyptic number.

1946473646 is a deficient number, since it is larger than the sum of its proper divisors (1198758178).

1946473646 is a wasteful number, since it uses less digits than its factorization.

1946473646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22115.

The product of its digits is 2612736, while the sum is 50.

The square root of 1946473646 is about 44118.8581674549. The cubic root of 1946473646 is about 1248.5794306778.

The spelling of 1946473646 in words is "one billion, nine hundred forty-six million, four hundred seventy-three thousand, six hundred forty-six".