3896991472 has 40 divisors (see below), whose sum is σ = 8243972352. Its totient is φ = 1769822400.

The previous prime is 3896991451. The next prime is 3896991479. The reversal of 3896991472 is 2741996983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3896991479) 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 7 ways as a sum of consecutive naturals, for example, 207663 + ... + 225649.

Almost surely, 2^3896991472 is an apocalyptic number.

It is an amenable number.

3896991472 is an abundant number, since it is smaller than the sum of its proper divisors (4346980880).

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

3896991472 is a wasteful number, since it uses less digits than its factorization.

3896991472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19237 (or 19231 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 58.

The square root of 3896991472 is about 62425.8878350961. The cubic root of 3896991472 is about 1573.6560598303.

The spelling of 3896991472 in words is "three billion, eight hundred ninety-six million, nine hundred ninety-one thousand, four hundred seventy-two".