1946620944 has 160 divisors (see below), whose sum is σ = 5815342080. Its totient is φ = 622771200.

The previous prime is 1946620943. The next prime is 1946620957. The reversal of 1946620944 is 4490266491.

1946620944 is a `hidden beast` number, since 19 + 4 + 6 + 620 + 9 + 4 + 4 = 666.

It is a super-3 number, since 3×1946620944³ (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 1946620944.

It is not an unprimeable number, because it can be changed into a prime (1946620943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1834174 + ... + 1835234.

It is an arithmetic number, because the mean of its divisors is an integer number (36345888).

Almost surely, 2^1946620944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1946620944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2907671040).

1946620944 is an abundant number, since it is smaller than the sum of its proper divisors (3868721136).

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

1946620944 is a wasteful number, since it uses less digits than its factorization.

1946620944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 1946620944 is about 44120.5274673819. The cubic root of 1946620944 is about 1248.6109250016.

The spelling of 1946620944 in words is "one billion, nine hundred forty-six million, six hundred twenty thousand, nine hundred forty-four".