3896873972 has 48 divisors (see below), whose sum is σ = 7197120000. Its totient is φ = 1843620480.

The previous prime is 3896873947. The next prime is 3896874017. The reversal of 3896873972 is 2793786983.

It is a happy number.

3896873972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2292779 + ... + 2294477.

It is an arithmetic number, because the mean of its divisors is an integer number (149940000).

Almost surely, 2^3896873972 is an apocalyptic number.

It is an amenable number.

3896873972 is a deficient number, since it is larger than the sum of its proper divisors (3300246028).

3896873972 is a wasteful number, since it uses less digits than its factorization.

3896873972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136 (or 2134 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 62.

The square root of 3896873972 is about 62424.9467120317. The cubic root of 3896873972 is about 1573.6402436597.

The spelling of 3896873972 in words is "three billion, eight hundred ninety-six million, eight hundred seventy-three thousand, nine hundred seventy-two".