1946442900 has 72 divisors (see below), whose sum is σ = 5724085024. Its totient is φ = 510537600.

The previous prime is 1946442887. The next prime is 1946442923. The reversal of 1946442900 is 92446491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34882 + ... + 71481.

Almost surely, 2^1946442900 is an apocalyptic number.

1946442900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1946442900 is an abundant number, since it is smaller than the sum of its proper divisors (3777642124).

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

1946442900 is a wasteful number, since it uses less digits than its factorization.

1946442900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106441 (or 106434 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1946442900 is about 44118.5097209777. The cubic root of 1946442900 is about 1248.5728565627.

The spelling of 1946442900 in words is "one billion, nine hundred forty-six million, four hundred forty-two thousand, nine hundred".