3897464652 has 18 divisors (see below), whose sum is σ = 9851924628. Its totient is φ = 1299154872.

The previous prime is 3897464579. The next prime is 3897464653. The reversal of 3897464652 is 2564647983.

3897464652 is a `hidden beast` number, since 38 + 97 + 464 + 65 + 2 = 666.

3897464652 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×3897464652² = 30380461427178962208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3897464653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54131418 + ... + 54131489.

It is an arithmetic number, because the mean of its divisors is an integer number (547329146).

Almost surely, 2^3897464652 is an apocalyptic number.

It is an amenable number.

3897464652 is an abundant number, since it is smaller than the sum of its proper divisors (5954459976).

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

3897464652 is a wasteful number, since it uses less digits than its factorization.

3897464652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108262917 (or 108262912 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The square root of 3897464652 is about 62429.6776541414. The cubic root of 3897464652 is about 1573.7197493409.

The spelling of 3897464652 in words is "three billion, eight hundred ninety-seven million, four hundred sixty-four thousand, six hundred fifty-two".