1994306272 has 192 divisors, whose sum is σ = 4923072000. Its totient is φ = 792529920.

The previous prime is 1994306267. The next prime is 1994306317. The reversal of 1994306272 is 2726034991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15223647 + ... + 15223777.

It is an arithmetic number, because the mean of its divisors is an integer number (25641000).

Almost surely, 2^1994306272 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 1994306272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2461536000).

1994306272 is an abundant number, since it is smaller than the sum of its proper divisors (2928765728).

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

1994306272 is a wasteful number, since it uses less digits than its factorization.

1994306272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 1994306272 is about 44657.6563648385. The cubic root of 1994306272 is about 1258.7243055593.

The spelling of 1994306272 in words is "one billion, nine hundred ninety-four million, three hundred six thousand, two hundred seventy-two".