3997734500 has 48 divisors (see below), whose sum is σ = 8737397760. Its totient is φ = 1597932000.

The previous prime is 3997734497. The next prime is 3997734527. The reversal of 3997734500 is 54377993.

It is a happy number.

It is a super-2 number, since 2×3997734500² = 31963762264980500000, which contains 22 as substring.

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, 1117715 + ... + 1121285.

It is an arithmetic number, because the mean of its divisors is an integer number (182029120).

Almost surely, 2^3997734500 is an apocalyptic number.

It is an amenable number.

3997734500 is an abundant number, since it is smaller than the sum of its proper divisors (4739663260).

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

3997734500 is a wasteful number, since it uses less digits than its factorization.

3997734500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5829 (or 5817 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 47.

The square root of 3997734500 is about 63227.6403165578. The cubic root of 3997734500 is about 1587.1013072815.

The spelling of 3997734500 in words is "three billion, nine hundred ninety-seven million, seven hundred thirty-four thousand, five hundred".