3897228064 has 12 divisors (see below), whose sum is σ = 7672667814. Its totient is φ = 1948614016.

The previous prime is 3897228047. The next prime is 3897228103. The reversal of 3897228064 is 4608227983.

It can be written as a sum of positive squares in only one way, i.e., 2715243664 + 1181984400 = 52108^2 + 34380^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3897227999 and 3897228017.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60894157 + ... + 60894220.

Almost surely, 2^3897228064 is an apocalyptic number.

It is an amenable number.

3897228064 is a deficient number, since it is larger than the sum of its proper divisors (3775439750).

3897228064 is a wasteful number, since it uses less digits than its factorization.

3897228064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121788387 (or 121788379 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 3897228064 is about 62427.7827893959. The cubic root of 3897228064 is about 1573.6879054992.

The spelling of 3897228064 in words is "three billion, eight hundred ninety-seven million, two hundred twenty-eight thousand, sixty-four".